■ 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 — 25.5 — is the max pain price.
Open interest by strike · Fri, Aug 28
■ calls (up)■ puts (down)SVIX open contracts per strike for Fri, Aug 28.
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, Aug 28
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Aug 28
— call IV— put IVATM ≈ 39.0% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Aug 28
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, Aug 28
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.92
-0.02
23
0.0620
0.01
-0.02
-0.09
0.90
-0.02
23.5
0.0787
0.01
-0.02
-0.12
0.86
-0.02
24
0.0994
0.01
-0.02
-0.15
0.82
-0.02
24.5
0.1248
0.01
-0.02
-0.19
0.76
-0.03
25
0.1544
0.02
-0.02
-0.25
0.68
-0.03
25.5
0.1851
0.02
-0.03
-0.32
0.59
-0.03
26
0.2101
0.02
-0.03
-0.42
0.48
-0.03
26.5
0.2192
0.02
-0.03
-0.52
0.37
-0.03
27
0.2075
0.02
-0.03
-0.63
0.28
-0.02
27.5
0.1807
0.02
-0.02
-0.71
0.22
-0.02
28
0.1494
0.01
-0.02
-0.78
0.13
-0.02
29
0.0969
0.01
-0.02
-0.87
0.08
-0.01
30
0.0634
0.01
-0.01
-0.91
0.06
-0.01
31
0.0430
0.01
-0.01
-0.94
0.04
-0.01
32
0.0303
0.01
-0.01
-0.95
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 30 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.