COSW · Expected Move
Roundhill COST WeeklyPay ETF · ETF
The expected move for COSW is derived from at-the-money straddle pricing — the market's implied one-standard-deviation move through the next 30 days. Comparing it to realized moves reveals when options are pricing in too much (premium-selling regime) vs too little (premium-buying regime).
COSW straddle price & implied vol
60 sessionsBars: at-the-money straddle price (30-day and 7-day) — the market's priced move. Line: 30-day at-the-money implied volatility (right axis).
Current COSW Expected Move
30-Day Straddle
$2.55
7-Day Straddle
$1.62
30-Day ATM IV
19.9%
IV Rank
7%
Implied one-standard-deviation move through the next 30 days. Compare to COSW's realized
move over the same window to gauge whether options are pricing in too much (premium-selling regime)
or too little (premium-buying regime). The
Expected Move Tracker ranks every symbol by
this measure.
COSW Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | ATM IV | IV Rank |
|---|---|---|---|---|
| 20261009 | $2.55 | $1.62 | 19.9% | 7% |
| 20261008 | $2.58 | $1.60 | 21.9% | 9% |
| 20261007 | $2.67 | $1.73 | 27.8% | 17% |
| 20261006 | $2.95 | $5.70 | 25.9% | 15% |
| 20261005 | $2.83 | $1.77 | 26.6% | 16% |
| 20261002 | $1.85 | $1.85 | 23.9% | 12% |
| 20261001 | $1.82 | $1.82 | 24.8% | 13% |
| 20260930 | $1.90 | $1.90 | 22.1% | 10% |
| 20260929 | $1.88 | $1.88 | 21.9% | 9% |
| 20260928 | $2.02 | $2.02 | 15.1% | 0% |
| 20260925 | $1.93 | $1.93 | 20.4% | 0% |
| 20260924 | $2.15 | $2.15 | 27.0% | 6% |
| 20260923 | $2.15 | $2.15 | 27.4% | 7% |
| 20260922 | $2.30 | $2.30 | 33.8% | 17% |
| 20260921 | $2.33 | $2.33 | 27.6% | 7% |
| 20260918 | $2.45 | $6.28 | 25.9% | 5% |
| 20260917 | $3.03 | $1.82 | 28.7% | 9% |
| 20260916 | $2.53 | $1.90 | 30.5% | 12% |
| 20260915 | $2.48 | $2.25 | 55.8% | 51% |
| 20260914 | $2.55 | $2.50 | 27.6% | 7% |
| 20260911 | $2.98 | $2.33 | 31.4% | 13% |
| 20260910 | $2.90 | $2.42 | 28.6% | 9% |
| 20260909 | $2.95 | $2.48 | 28.7% | 9% |
| 20260908 | $2.92 | $2.62 | 29.7% | 10% |
| 20260904 | $2.70 | $2.47 | 46.7% | 37% |
| 20260903 | $3.08 | $2.27 | 27.5% | 7% |
| 20260902 | $2.20 | $2.20 | 56.2% | 51% |
| 20260901 | $2.20 | $2.20 | 25.8% | 4% |
| 20260831 | $2.03 | $2.03 | 27.2% | 7% |
| 20260828 | $2.08 | $2.08 | 87.8% | 100% |
| 20260827 | $2.12 | $2.12 | 29.9% | 17% |
| 20260826 | $2.25 | $2.25 | 36.5% | 33% |
| 20260825 | $2.17 | $2.17 | 38.0% | 37% |
| 20260824 | $2.15 | $2.15 | 23.2% | 1% |
| 20260821 | $2.27 | $5.88 | 22.9% | 0% |
| 20260820 | $2.45 | $1.40 | 27.2% | 8% |
| 20260819 | $2.25 | $1.45 | 64.2% | 100% |
| 20260818 | $2.40 | $1.52 | 24.1% | 0% |
| 20260817 | $2.60 | $1.68 | 24.5% | 1% |
| 20260814 | $2.52 | $1.73 | 53.0% | 83% |
| 20260813 | $2.62 | $1.70 | 24.3% | 0% |
| 20260812 | $3.00 | $1.77 | 24.3% | 0% |
| 20260811 | $2.62 | $1.82 | 26.8% | 7% |
| 20260810 | $3.35 | $2.33 | 26.4% | 6% |
| 20260807 | — | — | 31.2% | 20% |
| 20260806 | $3.33 | $2.45 | 25.7% | 4% |
| 20260805 | $2.53 | $2.53 | 27.9% | 11% |
| 20260804 | $2.60 | $2.60 | 28.0% | 11% |
| 20260803 | $2.50 | $2.50 | 29.7% | 16% |
| 20260731 | $2.60 | $2.60 | 25.8% | 5% |
| 20260730 | $3.38 | $3.38 | 28.7% | 13% |
| 20260729 | $2.70 | $2.70 | 26.2% | 6% |
| 20260728 | $2.62 | $2.62 | 24.6% | 1% |
| 20260727 | $2.67 | $2.67 | 25.8% | 5% |
| 20260724 | $3.02 | $3.02 | 27.7% | 10% |
| 20260723 | $2.88 | $2.88 | 26.7% | 7% |
| 20260722 | $2.92 | $2.92 | 29.6% | 16% |
| 20260721 | $2.95 | $2.95 | 32.8% | 25% |
| 20260720 | $3.03 | $3.03 | 30.9% | 19% |
| 20260716 | $3.33 | $1.77 | 25.3% | 3% |
More on COSW
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.