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 — 85 — is the max pain price.
Open interest by strike · Fri, Nov 20
■ calls (up)■ puts (down)EXE open contracts per strike for Fri, Nov 20.
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 20
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Nov 20
— call IV— put IVATM ≈ 35.0% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Nov 20
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 20
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.88
-0.04
84
0.0230
0.05
-0.04
-0.14
0.86
-0.04
85
0.0262
0.06
-0.04
-0.17
0.80
-0.05
87
0.0332
0.07
-0.05
-0.23
0.78
-0.05
87.5
0.0349
0.07
-0.05
-0.24
0.68
-0.06
90
0.0424
0.09
-0.06
-0.34
0.59
-0.06
92
0.0459
0.10
-0.06
-0.43
0.57
-0.06
92.5
0.0463
0.10
-0.06
-0.45
0.55
-0.06
93
0.0466
0.10
-0.06
-0.48
0.50
-0.07
94
0.0465
0.10
-0.06
-0.52
0.46
-0.06
95
0.0457
0.10
-0.06
-0.56
0.41
-0.06
96
0.0444
0.10
-0.06
-0.61
0.35
-0.06
97.5
0.0416
0.10
-0.06
-0.67
0.33
-0.06
98
0.0405
0.09
-0.06
-0.68
0.30
-0.06
99
0.0381
0.09
-0.06
-0.72
0.27
-0.06
100
0.0357
0.09
-0.05
-0.75
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 29 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.