Event risk before this expiration:Jobs report Fri, Aug 7 · CPI release Wed, Aug 12 · Jobs report Fri, Sep 4 — 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 — 82 — is the max pain price.
Open interest by strike · Fri, Sep 4
■ calls (up)■ puts (down)GM open contracts per strike for Fri, Sep 4.
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, Sep 4
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Sep 4
— call IV— put IVATM ≈ 33.6% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Sep 4
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, Sep 4
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.82
-0.04
82
0.0293
0.07
-0.04
-0.18
0.79
-0.04
83
0.0327
0.07
-0.04
-0.21
0.76
-0.04
84
0.0360
0.08
-0.05
-0.25
0.72
-0.05
85
0.0391
0.09
-0.05
-0.29
0.68
-0.05
86
0.0417
0.09
-0.05
-0.33
0.63
-0.05
87
0.0439
0.10
-0.05
-0.37
0.59
-0.06
88
0.0455
0.10
-0.06
-0.42
0.54
-0.06
89
0.0464
0.10
-0.06
-0.47
0.49
-0.06
90
0.0467
0.10
-0.06
-0.51
0.45
-0.06
91
0.0463
0.10
-0.06
-0.56
0.40
-0.06
92
0.0452
0.10
-0.06
-0.60
0.36
-0.05
93
0.0437
0.10
-0.05
-0.64
0.32
-0.05
94
0.0416
0.09
-0.05
-0.68
0.28
-0.05
95
0.0392
0.09
-0.05
-0.72
0.25
-0.05
96
0.0366
0.08
-0.05
-0.76
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 33 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.