Event risk before this expiration:FOMC decision Wed, Oct 28 · Jobs report Fri, Nov 6 · CPI release Tue, Nov 10 — macro releases historically overwhelm pinning effects; max pain reads weakest in event weeks.
■ put-side pain■ call-side painTotal payout option writers would owe at each settle price (both sides, all open interest, ×100 shares) — low settles hurt put writers, high settles hurt call writers. The minimum — 9.5 — is the max pain price.
Open interest by strike · Fri, Nov 13
■ calls (up)■ puts (down)IBRX open contracts per strike for Fri, Nov 13.
Open-interest change: building vs unwinding
Needs two observed snapshot days for this expiration; the comparison appears automatically once the next weekday snapshot lands. We diff real observations only; nothing is estimated.
Volume by strike · Fri, Nov 13
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Nov 13
— call IV— put IVATM ≈ 106.3% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Nov 13
Net dealer gamma per strike, in dollars per 1% move, assuming the standard convention (dealers long calls, short puts) — an assumption, not an observation. Above the amber flip level hedging tends to dampen moves; below it, to amplify them.
Greeks by strike · Fri, Nov 13
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.94
-0.01
5
0.0379
0.00
-0.01
-0.06
0.93
-0.01
5.5
0.0532
0.00
-0.01
-0.07
0.90
-0.01
6
0.0749
0.00
-0.01
-0.10
0.85
-0.01
6.5
0.1044
0.01
-0.01
-0.14
0.79
-0.01
7
0.1413
0.01
-0.01
-0.20
0.71
-0.01
7.5
0.1788
0.01
-0.01
-0.29
0.61
-0.02
8
0.2044
0.01
-0.02
-0.39
0.50
-0.02
8.5
0.2094
0.01
-0.02
-0.49
0.41
-0.02
9
0.1978
0.01
-0.02
-0.59
0.34
-0.02
9.5
0.1780
0.01
-0.02
-0.66
0.28
-0.02
10
0.1564
0.01
-0.01
-0.72
0.23
-0.01
10.5
0.1360
0.01
-0.01
-0.77
0.19
-0.01
11
0.1179
0.01
-0.01
-0.81
0.16
-0.01
11.5
0.1023
0.01
-0.01
-0.84
0.14
-0.01
12
0.0890
0.01
-0.01
-0.86
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 20 are in the CSV. Δ per $1 of underlying · Θ per day · vega per IV point.
Stacked — layer the expirations
Call open interest per strike, stacked across the checked expirations — each color is one expiry. Strikes are pruned to the liquid center of each chain.
Max pain is arithmetic, not prophecy: the settle price that would minimize what option writers pay out at expiration, computed from open interest alone. Prices sometimes gravitate toward heavy strikes into expiry — dealer hedging is a real flow — but the evidence that max pain predicts settlement better than chance is mixed, and we are not going to pretend otherwise. Use it as a map of where positioning is stacked, next to the fundamentals and the earnings calendar, not as a target.
Data: Cboe delayed public feed (~15 minutes), refreshed here about every 15 minutes. Open interest itself updates once daily, before the open. Educational information, not investment advice.