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Spero Therapeutics SPRO 1.14 0.01 0.88%

SPRO Delta Exposure (DEX)

SPRO (Spero Therapeutics): Compare call and put delta exposure by strike to understand directional positioning. Free delayed preview.

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ATM IV
7.76
Put Call Ratio (OI)
0.367
Put Call Ratio (Vol)
5.72
IV Rank
70.4
IV Percentile
98.8
Max Pain
1

Delta exposure (2026-09-21)

Delta approximates how many cents the option moves for a $1 move in the underlying.

A 0.50 call gains ~$0.50 if the stock goes up $1. Delta also approximates the option's probability of finishing in the money.

DTE \text{DTE}
25.0
207.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-6.4
6.4
View values by strike
SPRO · Delta exposure · 2026-09-21. Delta-weighted share equivalents.
StrikeCallsPuts
0.50 0 -1.96
1.00 1.75 K -29.8
1.50 3.16 K -91.2
2.00 346 -62.4
2.50 69.6 K -9.04 K
5.00 37.3 K 0
7.50 12.1 K 0