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Spero Therapeutics SPRO 1.02 0.01 0.99%

Previous-day view · Wed Nov 11 close. You are previewing the previous trading day. Subscribe to see today live and every other date — Trader is $59/mo. Sign up Sign in
ATM IV
4.11
Put Call Ratio (OI)
0.418
Put Call Ratio (Vol)
13.1
IV Rank
35
IV Percentile
92.3
Max pain
1

Gamma exposure (2026-11-11)

GEX estimates dealer hedging flow at each strike.

Positive GEX = dealers are long gamma; they buy the dip and sell the rip, dampening volatility. Negative GEX = dealers are short gamma; they sell the dip and buy the rip, amplifying volatility.

DTE \text{DTE}
9.0
156.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-6.5
6.5
View values by strike
SPRO · Gamma exposure · 2026-11-11. USD of exposure per 1% underlying move.
StrikeCallsPuts
0.50 30.5 0
1.00 68.1 -126
1.50 30.1 -6.38
2.00 0 -0.928
2.50 769 -2
5.00 64.1 0
7.50 5.54 0