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§OPTIONS_CHAINPRO

Options

The Options surface is the live US chain (calls left, puts right) with a preset-loaded strategy builder whose payoff diagram has break-evens and net Greeks, plus a chain analytics block (ATM/average IV, put/call gauges, volatility smile). Options data needs Pro; anonymous visitors see a cached snapshot for popular tickers.

The Options page is the full US-options chain view for any ticker, plus a multi-leg strategy builder and a chain-level analytics read. Three tabs, one symbol: CHAIN, STRATEGY_BUILDER, ANALYTICS. For unusual print detection this is not the page — that's Options Flow. For dealer gamma, see Gamma Exposure.

Tier: the live chain is Pro. Free/authed sessions and anonymous visitors get a 403 on the live endpoint — anonymous guests see the cache-warmed snapshot for popular symbols as the public demo, nothing more.

The Options chain on the CHAIN tab — calls grid left, puts grid right, expiration pills above and the put/call summary strip below
The Options chain on the CHAIN tab — calls grid left, puts grid right, expiration pills above and the put/call summary strip below

Open it

  • Path: /options (AAPL default) or /options/TSLA direct.
  • Type a symbol in the SYMBOL box and click LOAD. The URL updates for sharing.
  • No shortcut; reachable from the sidebar and the mobile command bar.

The chain

  • Expiration pills sit under the tabs — up to 12, nearest first. Click to refilter.
  • Calls on the left grid, puts on the right, strikes ascending. ITM rows tint green on calls and red on puts — the tint boundary follows spot.
  • Columns: Strike, Last, Bid, Ask, Vol, OI, IV, Chg. Mobile drops OI/IV/Chg so the grid fits.
  • The summary strip under the grids shows total call volume, total put volume, put/call ratio, total call OI, total put OI — for the selected expiry only. Thin weeklies can make the ratio read extreme; switch expiries to normalize.

Strategy builder

Model a trade before you place it.

  • Presets (one click, hover a chip for the structure): Covered Call, Protective Put, Bull Call Spread, Bear Put Spread, Iron Condor, Straddle, Strangle, Butterfly. All forecast legs off the underlying's current price; edit any leg after.
  • Manual legs: Add Leg → set Type (CALL/PUT), Side (BUY/SELL), Strike, Premium, Qty. Trash a row to remove. Clear wipes. Underlying in the header overrides the live quote for what-if pricing.
  • Analysis panel: Max Profit, Max Loss, Net Cost, and every break-even (interpolated).
  • Greeks panel: net Δ/Γ/Θ/ν of the position, sign-aware — computed off a fixed ~30-day/30%-IV model. Directional honest, not a hedging surface. Labeled in the panel header.
  • Payoff chart: P&L-at-expiration curve, green above zero / red below, yellow dashed break-even verticals, a blue/dashed spot-price vertical, leg dots on the zero line (green calls, red puts). Hover for the x-y readout.

Analytics

Chain-level read, three blocks:

  • IV summary — ATM call IV, ATM put IV, average IV over valid (non-zero-IV) contracts in the expiry. Call-vs-put IV gap is the fast skew read.
  • Put/call gauges — one computed on total volume, one on open interest. Under 0.7 reads *Bullish*, above 1.0 reads *Bearish*, middle is *Neutral*. The volume gauge is the tape; the OI gauge is the stance.
  • Volatility smile — IV by strike, calls green vs puts red, dashed vertical at the money. No interpolation: a missing strike breaks the line.

Limits

  • Strike depth ≈ 20 above and below the money per expiry. LEAPS wings exist upstream, not rendered here.
  • Expiry picker tops out at 12.
  • The chain re-pulls on LOAD, not on a timer — expect minute-level staleness intraday.
  • US-listed (OPRA) only. No futures options.
  • Builders share one modeled expiry + IV across legs, so calendars/diagonals are approximations, not models.