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|
"""Options flow — put/call ratios, IV smile, open interest by strike."""
from datetime import datetime
from html import escape as _esc
import pandas as pd
import streamlit as st
import streamlit.components.v1 as components
from services.data_service import get_company_info, get_latest_price, get_options_chain
_XMAP = {"NYQ": "NYSE", "NMS": "NASDAQ", "NGM": "NASDAQ", "NCM": "NASDAQ", "ASE": "AMEX"}
def _fmt_expiry_label(expiry: str) -> str:
try:
dt = datetime.strptime(expiry, "%Y-%m-%d")
now_year = datetime.now().year
if dt.year == now_year:
return dt.strftime("%b %d")
return dt.strftime("%b %d '%y")
except Exception:
return expiry
def render_options(ticker: str):
import json as _json
info = get_company_info(ticker) or {}
price = get_latest_price(ticker)
data = get_options_chain(ticker)
if not data or not data.get("chains"):
st.info("Options data unavailable for this ticker.")
return
chains = data.get("chains", [])[:8]
expirations = data.get("expirations", [])
current_price = info.get("currentPrice") or info.get("regularMarketPrice") or price
def _safe_list(df: pd.DataFrame, col: str) -> list:
if col not in df.columns:
return []
return pd.to_numeric(df[col], errors="coerce").fillna(0).tolist()
def _chain_rows(df: pd.DataFrame) -> list[dict]:
cols = ["strike", "bid", "ask", "lastPrice", "volume", "openInterest", "impliedVolatility", "inTheMoney"]
rows = []
for _, r in df.iterrows():
row = {}
for c in cols:
if c in df.columns:
v = r[c]
row[c] = None if pd.isna(v) else v
rows.append(row)
return rows
chain_list = []
for chain in chains:
calls = chain.get("calls", pd.DataFrame()).copy()
puts = chain.get("puts", pd.DataFrame()).copy()
if current_price and not calls.empty:
lo, hi = float(current_price) * 0.70, float(current_price) * 1.30
calls_atm = calls[(calls["strike"] >= lo) & (calls["strike"] <= hi)] if "strike" in calls.columns else calls
puts_atm = puts[(puts["strike"] >= lo) & (puts["strike"] <= hi)] if "strike" in puts.columns else puts
else:
calls_atm, puts_atm = calls, puts
total_call_vol = float(pd.to_numeric(calls.get("volume"), errors="coerce").fillna(0).sum()) if "volume" in calls.columns else 0.0
total_put_vol = float(pd.to_numeric(puts.get("volume"), errors="coerce").fillna(0).sum()) if "volume" in puts.columns else 0.0
total_call_oi = float(pd.to_numeric(calls.get("openInterest"), errors="coerce").fillna(0).sum()) if "openInterest" in calls.columns else 0.0
total_put_oi = float(pd.to_numeric(puts.get("openInterest"), errors="coerce").fillna(0).sum()) if "openInterest" in puts.columns else 0.0
entry = {
"expiry": chain.get("expiry"),
"pc_vol": (total_put_vol / total_call_vol) if total_call_vol > 0 else None,
"pc_oi": (total_put_oi / total_call_oi) if total_call_oi > 0 else None,
"call_vol": int(total_call_vol),
"put_vol": int(total_put_vol),
"call_oi": int(total_call_oi),
"put_oi": int(total_put_oi),
"iv_strikes_calls": _safe_list(calls_atm, "strike"),
"iv_calls": _safe_list(calls_atm, "impliedVolatility"),
"iv_strikes_puts": _safe_list(puts_atm, "strike"),
"iv_puts": _safe_list(puts_atm, "impliedVolatility"),
"oi_strikes_calls": _safe_list(calls_atm, "strike"),
"oi_calls": _safe_list(calls_atm, "openInterest"),
"oi_strikes_puts": _safe_list(puts_atm, "strike"),
"oi_puts": _safe_list(puts_atm, "openInterest"),
"rows_calls": _chain_rows(calls_atm),
"rows_puts": _chain_rows(puts_atm),
}
chain_list.append(entry)
first_chain = data["chains"][0] if data.get("chains") else {}
calls0 = first_chain.get("calls", pd.DataFrame())
if current_price and not calls0.empty and "strike" in calls0.columns:
calls0_atm = calls0[(calls0["strike"] >= float(current_price) * 0.70) & (calls0["strike"] <= float(current_price) * 1.30)]
else:
calls0_atm = calls0
n_chain_rows = max(len(calls0_atm), 20)
height = 1500 + n_chain_rows * 28
chains_js = "const CHAINS=" + _json.dumps(chain_list) + ";"
price_js = "const ATM_PRICE=" + _json.dumps(current_price or 0) + ";"
prev_close = info.get("previousClose")
if current_price and prev_close and prev_close > 0:
chg_pct = (float(current_price) - float(prev_close)) / float(prev_close) * 100
sign = "+" if chg_pct >= 0 else ""
arrow = "▲" if chg_pct >= 0 else "▼"
chg_str = arrow + " " + sign + f"{chg_pct:.2f}%"
chg_cls = "chg-pos" if chg_pct >= 0 else "chg-neg"
else:
chg_str, chg_cls = "—", ""
raw_x = info.get("exchange") or ""
exchange = _XMAP.get(raw_x, raw_x) or "—"
co_name = _esc(info.get("longName") or info.get("shortName") or ticker.upper())
price_str = f"${float(current_price):,.2f}" if current_price else "—"
exp_count = len(expirations)
plotly_cdn = "<script src='https://cdn.plot.ly/plotly-2.27.0.min.js'></script>"
_ROOT = (
"<style>*,*::before,*::after{box-sizing:border-box}"
":root{"
"--ink-0:#0B0E13;--ink-1:#11151C;--ink-2:#181D26;--ink-3:#222934;--ink-4:#2C3340;"
"--line-1:#232934;--line-2:#2E3645;--line-3:#3D4658;"
"--fg-1:#F2ECDC;--fg-2:#C7C0AE;--fg-3:#8E8676;--fg-4:#5E5849;"
"--brass:#C2AA7A;--brass-bright:#DCC79E;--brass-deep:#8F7A50;--brass-ink:#17120A;"
"--oxford:#1F3D5C;--oxford-light:#2E5A87;"
"--positive:#4F8C5E;--positive-bg:#15241A;--negative:#B5494B;--negative-bg:#2A1517;"
"--warning:#C49545;--warning-bg:#2A1F0F;--info:#4A78B5;--info-bg:#11202E;"
"--font-display:'EB Garamond',Georgia,serif;"
"--font-sans:'IBM Plex Sans','Helvetica Neue',system-ui,sans-serif;"
"--font-mono:'IBM Plex Mono','SF Mono',Menlo,monospace;"
"--fs-12:0.75rem;--fs-13:0.8125rem;--fs-14:0.875rem;--fs-16:1rem;--fs-18:1.125rem;"
"--fs-20:1.25rem;--fs-24:1.5rem;--fs-30:1.875rem;--fs-38:2.375rem;"
"--tr-wider:0.12em;--tr-wide:0.04em;--tr-tight:-0.02em;"
"--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;"
"--r-1:2px;--r-2:4px;--r-3:6px;--r-full:999px;"
"--shadow-1:0 1px 3px rgba(0,0,0,0.4);"
"}"
"html,body{margin:0;padding:0;background:var(--ink-0);color:var(--fg-2);"
"font-family:var(--font-sans);font-size:14px;-webkit-font-smoothing:antialiased}"
"</style>"
)
fonts_link = (
"<link rel='preconnect' href='https://fonts.googleapis.com'>"
"<link href='https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;1,400;1,500"
"&family=IBM+Plex+Mono:wght@300;400;500;600&family=IBM+Plex+Sans:wght@300;400;500;600&display=swap'"
" rel='stylesheet'>"
)
_OPTS_CSS = """<style>
.opts-wrap{background:var(--ink-0);min-height:100vh}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.eyebrow-lbl{font-family:var(--font-sans);font-size:var(--fs-12);text-transform:uppercase;letter-spacing:var(--tr-wider);color:var(--fg-3);font-weight:600}
.val-ctx{display:flex;align-items:center;gap:var(--sp-4);padding:var(--sp-3) var(--sp-5);border-bottom:1px solid var(--line-1);background:var(--ink-1)}
.val-ctx .sym{font-family:var(--font-display);font-size:var(--fs-24);font-weight:500;letter-spacing:var(--tr-tight)}
.val-ctx .name{font-family:var(--font-display);font-style:italic;font-size:var(--fs-16);color:var(--fg-2);margin-left:calc(-1 * var(--sp-1));white-space:nowrap}
.val-ctx .eyebrow-ctx{font-family:var(--font-sans);font-size:var(--fs-12);text-transform:uppercase;letter-spacing:var(--tr-wider);color:var(--fg-3);font-weight:600;white-space:nowrap}
.val-ctx .meta{display:flex;gap:var(--sp-4);margin-left:auto;font-family:var(--font-mono);font-size:var(--fs-12);color:var(--fg-3)}
.val-ctx .meta span{white-space:nowrap}
.val-ctx .meta .px{color:var(--fg-1);font-size:var(--fs-14)}
.val-ctx .meta .chg-pos{color:var(--positive)}.val-ctx .meta .chg-neg{color:var(--negative)}
.opts-body{padding:var(--sp-5);display:flex;flex-direction:column;gap:var(--sp-5)}
.opts-lede{display:grid;grid-template-columns:1.6fr 1fr;gap:var(--sp-5);align-items:stretch;background:var(--ink-1);border:1px solid var(--line-1);border-radius:var(--r-3);padding:var(--sp-5)}
.opts-lede .left{display:flex;flex-direction:column;gap:var(--sp-2)}
.opts-lede .ttl{font-family:var(--font-display);font-size:var(--fs-30);font-weight:500;letter-spacing:var(--tr-tight);line-height:1.1;color:var(--fg-1);margin:var(--sp-1) 0 0}
.opts-lede .sub{font-family:var(--font-sans);font-size:var(--fs-13);color:var(--fg-2);line-height:1.55;max-width:64ch;margin:0}
.opts-lede .right{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3);align-content:end}
.kr-source{display:flex;flex-direction:column;gap:2px;padding:var(--sp-3) var(--sp-4);background:var(--ink-2);border:1px solid var(--line-1);border-radius:var(--r-2)}
.kr-source .lbl{font-family:var(--font-sans);font-size:10px;text-transform:uppercase;letter-spacing:var(--tr-wider);color:var(--fg-3);font-weight:600}
.kr-source .v{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:var(--fs-14);color:var(--fg-1);font-weight:500}
.kr-source .cap{font-family:var(--font-mono);font-size:10px;color:var(--fg-3)}
.opts-expiry-bar{display:flex;flex-wrap:wrap;gap:var(--sp-2);padding:var(--sp-3) var(--sp-4);background:var(--ink-1);border:1px solid var(--line-1);border-radius:var(--r-3)}
.opts-exp-btn{font-family:var(--font-sans);font-size:var(--fs-12);font-weight:500;padding:5px 14px;border-radius:var(--r-2);border:1px solid var(--line-2);background:var(--ink-2);color:var(--fg-3);cursor:pointer;letter-spacing:var(--tr-wide)}
.opts-exp-btn:hover{background:var(--ink-3);color:var(--fg-2)}
.opts-exp-btn.active{background:var(--ink-3);color:var(--brass);border-color:var(--brass-deep)}
.opts-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3)}
.opts-kpi{background:var(--ink-1);border:1px solid var(--line-1);border-radius:var(--r-3);padding:var(--sp-3) var(--sp-4);display:flex;flex-direction:column;gap:var(--sp-1)}
.opts-kpi .lbl{font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:var(--tr-wider);color:var(--fg-4);font-weight:500}
.opts-kpi .v{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:var(--fs-24);color:var(--fg-1);line-height:1.1}
.opts-badge{display:inline-flex;align-items:center;align-self:flex-start;padding:2px 8px;border-radius:var(--r-full);font-family:var(--font-sans);font-size:var(--fs-12);font-weight:600}
.opts-badge.bull{color:var(--positive);background:var(--positive-bg)}
.opts-badge.neu{color:var(--warning);background:var(--warning-bg)}
.opts-badge.bear{color:var(--negative);background:var(--negative-bg)}
.opts-charts{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-4)}
.opts-chart-box{background:var(--ink-1);border:1px solid var(--line-1);border-radius:var(--r-3);padding:var(--sp-2) var(--sp-2) var(--sp-1)}
.opts-chain-card{background:var(--ink-1);border:1px solid var(--line-1);border-radius:var(--r-3);overflow:hidden}
.opts-chain-controls{display:flex;gap:var(--sp-1);padding:var(--sp-3) var(--sp-4);border-bottom:1px solid var(--line-1)}
.opts-side-btn{font-family:var(--font-sans);font-size:var(--fs-12);font-weight:500;padding:5px 14px;border-radius:var(--r-2);border:1px solid var(--line-2);background:var(--ink-2);color:var(--fg-3);cursor:pointer;letter-spacing:var(--tr-wide)}
.opts-side-btn:hover{background:var(--ink-3);color:var(--fg-2)}
.opts-side-btn.active{background:var(--ink-3);color:var(--brass);border-color:var(--brass-deep)}
.opts-chain-table{display:flex;flex-direction:column}
.opts-grid-head,.opts-grid-row{display:grid;grid-template-columns:0.8fr 0.7fr 0.7fr 0.8fr 1fr 1fr 0.8fr 0.6fr}
.opts-grid-head{background:var(--ink-2);border-bottom:1px solid var(--line-1)}
.opts-grid-head div{font-family:var(--font-sans);font-size:10px;text-transform:uppercase;letter-spacing:var(--tr-wider);color:var(--fg-4);padding:8px var(--sp-3);font-weight:600;text-align:right}
.opts-grid-row{border-bottom:1px solid var(--line-1)}
.opts-grid-row:last-child{border-bottom:none}
.opts-grid-row.itm{border-left:3px solid var(--oxford-light)}
.opts-grid-row div{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:var(--fs-13);color:var(--fg-2);padding:10px var(--sp-3);text-align:right}
.opts-grid-empty{padding:var(--sp-6);font-family:var(--font-sans);font-size:var(--fs-14);color:var(--fg-3);text-align:center}
.va-foot{font-family:var(--font-sans);font-size:var(--fs-12);color:var(--fg-3);line-height:1.6;padding:var(--sp-3) var(--sp-5);border:1px solid var(--line-1);border-radius:var(--r-2);background:var(--ink-1)}
@media (max-width:1100px){
.opts-lede,.opts-charts{grid-template-columns:1fr}
.opts-lede .right{grid-template-columns:1fr}
.opts-kpis{grid-template-columns:1fr 1fr}
}
</style>"""
ctx_html = (
'<div class="val-ctx">'
'<span class="sym">' + ticker.upper() + "</span>"
'<span class="name">' + co_name + "</span>"
'<span class="eyebrow-ctx" style="margin-left:12px">Options</span>'
'<div class="meta">'
"<span>" + _esc(exchange) + "</span>"
'<span class="px num">' + price_str + "</span>"
'<span class="' + chg_cls + ' num">' + chg_str + "</span>"
"</div></div>"
)
lede_html = (
'<section class="opts-lede">'
'<div class="left">'
'<span class="eyebrow-lbl">Derivatives</span>'
'<div class="ttl">The market's forward view</div>'
'<p class="sub">Put/call ratios, implied volatility smile, and open interest by strike for '
+ ticker.upper()
+ ". Data sourced from Yahoo Finance via yfinance.</p>"
"</div>"
'<div class="right">'
'<div class="kr-source"><span class="lbl">Source</span><span class="v">yfinance</span><span class="cap">Yahoo Finance API</span></div>'
'<div class="kr-source"><span class="lbl">Expirations</span><span class="v num">' + str(exp_count) + "</span><span class=\"cap\">available</span></div>"
'<div class="kr-source"><span class="lbl">Spot</span><span class="v num">' + price_str + "</span><span class=\"cap\">latest</span></div>"
"</div></section>"
)
expiry_btns = ""
for i, c in enumerate(chains):
lbl = _fmt_expiry_label(str(c.get("expiry", "")))
expiry_btns += (
'<button class="opts-exp-btn'
+ (" active" if i == 0 else "")
+ '" onclick="selectExpiry('
+ str(i)
+ ')">'
+ _esc(lbl)
+ "</button>"
)
expiry_bar_html = '<div class="opts-expiry-bar">' + expiry_btns + "</div>"
init_js = (
"<script>"
+ chains_js
+ price_js
+ 'var activeExpiry=0;var activeSide="calls";'
+ "function cssVar(n){return getComputedStyle(document.documentElement).getPropertyValue(n).trim();}"
+ "function withAlpha(hex,a){if(!hex||hex.charAt(0)!=='#'||hex.length!==7)return 'rgba(0,0,0,'+a+')';"
+ "var r=parseInt(hex.substring(1,3),16),g=parseInt(hex.substring(3,5),16),b=parseInt(hex.substring(5,7),16);"
+ "return 'rgba('+r+','+g+','+b+','+a+')';}"
+ "var C_BRASS=cssVar('--brass');var C_WARN=cssVar('--warning');var C_OX=cssVar('--oxford-light');"
+ "var C_NEG=cssVar('--negative');var C_LINE=cssVar('--line-1');var C_FG3=cssVar('--fg-3');"
+ "var C_FG1=cssVar('--fg-1');var ATM_LINE=withAlpha(C_FG1,0.25);"
+ "function fmtNum(v,d){if(v===null||v===undefined||v==='')return '—';var n=Number(v);if(!isFinite(n))return '—';return n.toFixed(d);}"
+ "function fmtInt(v){if(v===null||v===undefined||v==='')return '—';var n=Number(v);if(!isFinite(n))return '—';return Math.round(n).toLocaleString();}"
+ "function sentiment(pc){if(pc===null||pc===undefined||!isFinite(Number(pc)))return {label:'—',cls:'neu'};"
+ "pc=Number(pc);if(pc<0.7)return {label:'Bullish',cls:'bull'};if(pc<=1.0)return {label:'Neutral',cls:'neu'};return {label:'Bearish',cls:'bear'};}"
+ "function renderKPIs(d){var s1=sentiment(d.pc_vol),s2=sentiment(d.pc_oi);"
+ "var html='';"
+ "html+='<div class=\"opts-kpi\"><div class=\"lbl\">P/C Volume</div><div class=\"v\">'+(d.pc_vol==null?'—':fmtNum(d.pc_vol,2))+'</div><span class=\"opts-badge '+s1.cls+'\">'+s1.label+'</span></div>';"
+ "html+='<div class=\"opts-kpi\"><div class=\"lbl\">P/C Open Interest</div><div class=\"v\">'+(d.pc_oi==null?'—':fmtNum(d.pc_oi,2))+'</div><span class=\"opts-badge '+s2.cls+'\">'+s2.label+'</span></div>';"
+ "html+='<div class=\"opts-kpi\"><div class=\"lbl\">Call Volume</div><div class=\"v\">'+fmtInt(d.call_vol)+'</div></div>';"
+ "html+='<div class=\"opts-kpi\"><div class=\"lbl\">Put Volume</div><div class=\"v\">'+fmtInt(d.put_vol)+'</div></div>';"
+ "document.getElementById('opts-kpis').innerHTML=html;}"
+ "function renderCharts(d){"
+ "if(typeof Plotly==='undefined'){return;}"
+ "var ivData=["
+ "{x:d.iv_strikes_calls,y:(d.iv_calls||[]).map(function(v){return Number(v||0)*100;}),name:'Calls',type:'scatter',mode:'lines+markers',line:{color:C_BRASS,width:2},marker:{size:4,color:C_BRASS}},"
+ "{x:d.iv_strikes_puts,y:(d.iv_puts||[]).map(function(v){return Number(v||0)*100;}),name:'Puts',type:'scatter',mode:'lines+markers',line:{color:C_WARN,width:2},marker:{size:4,color:C_WARN}}"
+ "];"
+ "var ivShapes=[];if(Number(ATM_PRICE)>0){ivShapes.push({type:'line',xref:'x',yref:'paper',x0:Number(ATM_PRICE),x1:Number(ATM_PRICE),y0:0,y1:1,line:{color:ATM_LINE,width:1,dash:'dot'}});}"
+ "var LAYOUT_IV={plot_bgcolor:'rgba(0,0,0,0)',paper_bgcolor:'rgba(0,0,0,0)',margin:{l:48,r:12,t:16,b:40},height:280,"
+ "font:{family:'IBM Plex Mono',color:C_FG3},xaxis:{title:'Strike',gridcolor:C_LINE,zerolinecolor:C_LINE},yaxis:{title:'IV (%)',gridcolor:C_LINE,zerolinecolor:C_LINE},shapes:ivShapes,legend:{orientation:'h',y:-0.25,x:0}};"
+ "Plotly.react('iv-chart',ivData,LAYOUT_IV,{displayModeBar:false,responsive:true});"
+ "var oiData=["
+ "{x:d.oi_strikes_calls,y:(d.oi_calls||[]).map(function(v){return Number(v||0);}),name:'Calls',type:'bar',marker:{color:C_OX}},"
+ "{x:d.oi_strikes_puts,y:(d.oi_puts||[]).map(function(v){return -Number(v||0);}),name:'Puts',type:'bar',marker:{color:C_NEG}}"
+ "];"
+ "var oiShapes=[];if(Number(ATM_PRICE)>0){oiShapes.push({type:'line',xref:'x',yref:'paper',x0:Number(ATM_PRICE),x1:Number(ATM_PRICE),y0:0,y1:1,line:{color:ATM_LINE,width:1,dash:'dot'}});}"
+ "var LAYOUT_OI={plot_bgcolor:'rgba(0,0,0,0)',paper_bgcolor:'rgba(0,0,0,0)',margin:{l:48,r:12,t:16,b:40},height:280,barmode:'relative',"
+ "font:{family:'IBM Plex Mono',color:C_FG3},xaxis:{title:'Strike',gridcolor:C_LINE,zerolinecolor:C_LINE},yaxis:{title:'Open Interest',gridcolor:C_LINE,zerolinecolor:C_LINE},shapes:oiShapes,legend:{orientation:'h',y:-0.25,x:0}};"
+ "Plotly.react('oi-chart',oiData,LAYOUT_OI,{displayModeBar:false,responsive:true});}"
+ "function rowCell(v,kind){if(v===null||v===undefined||v==='')return '—';"
+ "if(kind==='int'){var n=Number(v);return isFinite(n)?Math.round(n).toLocaleString():'—';}"
+ "if(kind==='pct'){var p=Number(v);return isFinite(p)?(p*100).toFixed(1)+'%':'—';}"
+ "var n2=Number(v);if(isFinite(n2))return n2.toFixed(2);return String(v);}"
+ "function renderTable(d,side){var rows=(side==='puts')?(d.rows_puts||[]):(d.rows_calls||[]);"
+ "var head='<div class=\"opts-grid-head\"><div>Strike</div><div>Bid</div><div>Ask</div><div>Last</div><div>Volume</div><div>OI</div><div>IV%</div><div>ITM</div></div>';"
+ "if(!rows.length){document.getElementById('opts-chain-table').innerHTML=head+'<div class=\"opts-grid-empty\">No options rows in ±30% strike band.</div>';return;}"
+ "var body='';rows.forEach(function(r){var itm=!!r.inTheMoney;body+='<div class=\"opts-grid-row'+(itm?' itm':'')+'\">';"
+ "body+='<div>'+rowCell(r.strike,'num')+'</div>';"
+ "body+='<div>'+rowCell(r.bid,'num')+'</div>';"
+ "body+='<div>'+rowCell(r.ask,'num')+'</div>';"
+ "body+='<div>'+rowCell(r.lastPrice,'num')+'</div>';"
+ "body+='<div>'+rowCell(r.volume,'int')+'</div>';"
+ "body+='<div>'+rowCell(r.openInterest,'int')+'</div>';"
+ "body+='<div>'+rowCell(r.impliedVolatility,'pct')+'</div>';"
+ "body+='<div>'+(itm?'Yes':'No')+'</div>';"
+ "body+='</div>';});"
+ "document.getElementById('opts-chain-table').innerHTML=head+body;}"
+ "function selectExpiry(i){activeExpiry=i;var d=CHAINS[i]||CHAINS[0];if(!d){return;}"
+ "document.querySelectorAll('.opts-exp-btn').forEach(function(b,j){b.classList.toggle('active',j===i);});"
+ "renderKPIs(d);renderCharts(d);renderTable(d,activeSide);}"
+ "function switchSide(side,btn){activeSide=side;document.querySelectorAll('.opts-side-btn').forEach(function(b){b.classList.remove('active');});btn.classList.add('active');renderTable(CHAINS[activeExpiry],side);}"
+ "function bootOptions(){if(!CHAINS||!CHAINS.length){return;}selectExpiry(0);if(typeof Plotly==='undefined'){setTimeout(function(){selectExpiry(activeExpiry);},300);setTimeout(function(){selectExpiry(activeExpiry);},900);}}"
+ "if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',bootOptions);}else{bootOptions();}"
+ "</script>"
)
foot_html = (
'<div class="va-foot">'
"<span>Options data provided by Yahoo Finance via yfinance · Strike range filtered to ±30% of spot price · Open interest and volume as of last close</span>"
"</div>"
)
doc = (
"<!doctype html><html><head><meta charset='utf-8'>"
+ plotly_cdn
+ fonts_link
+ _ROOT
+ _OPTS_CSS
+ "</head><body><div class='opts-wrap'>"
+ ctx_html
+ '<div class="opts-body">'
+ lede_html
+ expiry_bar_html
+ '<div id="opts-kpis" class="opts-kpis"></div>'
+ '<div class="opts-charts">'
+ '<div id="iv-chart" class="opts-chart-box"></div>'
+ '<div id="oi-chart" class="opts-chart-box"></div>'
+ "</div>"
+ '<div class="opts-chain-card">'
+ '<div class="opts-chain-controls">'
+ '<button class="opts-side-btn active" onclick="switchSide(\'calls\',this)">Calls</button>'
+ '<button class="opts-side-btn" onclick="switchSide(\'puts\',this)">Puts</button>'
+ "</div>"
+ '<div id="opts-chain-table" class="opts-chain-table"></div>'
+ "</div>"
+ foot_html
+ "</div></div>"
+ init_js
+ "</body></html>"
)
components.html(doc, height=height, scrolling=False)
|
