State Street SPDR S&P 600 Small Cap Growth ETF SLYG
i
Market dataready · fetched 2026-11-11T14:45:30.525Z
Delta surfaceAlpaca · derived absolute-delta buckets · 2026-11-20
Calculation methodologyOptions historyIV: ThetaData historical Greeks, equal-weight mean of call/put 50-delta IV across the next four listed Friday-cycle expirations, including holiday shifts verified against ThetaData’s market calendar. Missing inputs leave gaps. Skew: equal-weight mean of put minus call IV across those four expirations. IV-implied move history: mean of each expiration’s average call/put IV multiplied by the square root of remaining calendar days divided by 365.25; percentage of spot, not a quoted straddle premium.
History dataPriceAlpaca · sip · 2026-11-11T14:36:39.393981107Z
FundamentalsAlpha Vantage · ready · fetched 2026-11-11T14:45:29.660434+00:00
State Street SPDR S&P 600 Small Cap Growth ETF options
Table
| Delta | Calls | Puts | ||||
|---|---|---|---|---|---|---|
| Pseudo strike | IV | B/E move | Pseudo strike | IV | B/E move | |
| 20Δ | 116.26 | 31.4% | 5.3% | 106.38 | 32.2% | 4.7% |
| 25Δ | 114.63 | 26.9% | 3.9% | 107.43 | 28.6% | 3.8% |
| 30Δ | 114.01 | 26.2% | 3.5% | 108.49 | 25.1% | 3.0% |
| 35Δ | 113.38 | 25.4% | 3.1% | 109.54 | 21.6% | 2.1% |
| 40Δ | 112.76 | 24.7% | 2.7% | |||
| 45Δ | 112.13 | 23.9% | 2.4% | |||
| 50Δ | 111.51 | 23.2% | 2.0% | |||
| 55Δ | 110.88 | 22.4% | 1.6% | |||
| 60Δ | 110.26 | 21.6% | 1.2% | |||
| 65Δ | 109.50 | 22.3% | 0.9% | |||
| 70Δ | 108.65 | 23.8% | 0.8% | |||
| 75Δ | 107.80 | 25.4% | 0.7% | |||
| 80Δ | 106.95 | 27.0% | 0.6% | |||
20Δ
- Pseudo strike
- 116.26
- IV
- 31.4%
- B/E move
- 5.3%
- Pseudo strike
- 106.38
- IV
- 32.2%
- B/E move
- 4.7%
25Δ
- Pseudo strike
- 114.63
- IV
- 26.9%
- B/E move
- 3.9%
- Pseudo strike
- 107.43
- IV
- 28.6%
- B/E move
- 3.8%
30Δ
- Pseudo strike
- 114.01
- IV
- 26.2%
- B/E move
- 3.5%
- Pseudo strike
- 108.49
- IV
- 25.1%
- B/E move
- 3.0%
35Δ
- Pseudo strike
- 113.38
- IV
- 25.4%
- B/E move
- 3.1%
- Pseudo strike
- 109.54
- IV
- 21.6%
- B/E move
- 2.1%
40Δ
- Pseudo strike
- 112.76
- IV
- 24.7%
- B/E move
- 2.7%
- Pseudo strike
- IV
- B/E move
45Δ
- Pseudo strike
- 112.13
- IV
- 23.9%
- B/E move
- 2.4%
- Pseudo strike
- IV
- B/E move
50Δ
- Pseudo strike
- 111.51
- IV
- 23.2%
- B/E move
- 2.0%
- Pseudo strike
- IV
- B/E move
55Δ
- Pseudo strike
- 110.88
- IV
- 22.4%
- B/E move
- 1.6%
- Pseudo strike
- IV
- B/E move
60Δ
- Pseudo strike
- 110.26
- IV
- 21.6%
- B/E move
- 1.2%
- Pseudo strike
- IV
- B/E move
65Δ
- Pseudo strike
- 109.50
- IV
- 22.3%
- B/E move
- 0.9%
- Pseudo strike
- IV
- B/E move
70Δ
- Pseudo strike
- 108.65
- IV
- 23.8%
- B/E move
- 0.8%
- Pseudo strike
- IV
- B/E move
75Δ
- Pseudo strike
- 107.80
- IV
- 25.4%
- B/E move
- 0.7%
- Pseudo strike
- IV
- B/E move
80Δ
- Pseudo strike
- 106.95
- IV
- 27.0%
- B/E move
- 0.6%
- Pseudo strike
- IV
- B/E move
Options history
Table
| Date | IV (%) |
|---|---|
| 18.50% | |
| 18.55% | |
| 18.81% | |
| 19.01% | |
| 19.62% | |
| 19.24% | |
| 18.62% | |
| 18.31% | |
| 17.98% | |
| 19.79% |