Summary
WNTR
Prices · period metrics · 12M
NAV as of 19/10/2026
02/04/2025 → 02/04/2026
Return 23.73% Volatility 52.82% Sharpe 1.02
Official loaded data — not a live quote.

YieldMax Short MSTR Option Income Strategy ETF

Symbol: WNTR

Exchange: NYSE

Sector: N/A

Category: Derivative Income

Inception date: 26/03/2025

Latest date: 19/10/2026

Current price: $16.24

Expense ratio: 1.00%

Assets under management
$57.1M
1.50% daily change

Period performance

Adjusted cumulative ETF performance, normalized to the first available adjusted price in the selected period.

Adjusted return
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Performance metrics

Period total return

16.09%

Ann. 109.65% (Sharpe / Sortino numerator)

Volatility

53.38%

Sharpe ratio

1.986

VaR 95%

-4.63%

CVaR 95%: -7.61%
Max drawdown: -10.44%
Sortino ratio: 2.131
Calmar ratio: 10.50

The performance chart and period total return use a rolling window to the latest adjusted close. For 1M/3M/6M/... periods, default behavior is Yahoo-style rolling (first session on or after "latest date minus N calendar months" through the latest quote). If the calendar is already in a new month, the last quote is near month-end, and there is no current-month data yet, the window switches to N full calendar months ending in that quote month. Sharpe, Sortino, VaR and related metrics still come from the latest batch row. Sharpe/Sortino use annualized excess return versus the US risk-free rate, so a positive chart can still show a negative ratio if annualized return is below cash.

Period total return

-27.89%

Ann. 14.45% (Sharpe / Sortino numerator)

Volatility

74.50%

Sharpe ratio

0.145

VaR 95%

-5.96%

CVaR 95%: -11.08%
Max drawdown: -30.07%
Sortino ratio: 0.163
Calmar ratio: 0.48

The performance chart and period total return use a rolling window to the latest adjusted close. For 1M/3M/6M/... periods, default behavior is Yahoo-style rolling (first session on or after "latest date minus N calendar months" through the latest quote). If the calendar is already in a new month, the last quote is near month-end, and there is no current-month data yet, the window switches to N full calendar months ending in that quote month. Sharpe, Sortino, VaR and related metrics still come from the latest batch row. Sharpe/Sortino use annualized excess return versus the US risk-free rate, so a positive chart can still show a negative ratio if annualized return is below cash.

Period total return

-0.63%

Ann. 240.38% (Sharpe / Sortino numerator)

Volatility

59.29%

Sharpe ratio

3.993

VaR 95%

-4.85%

CVaR 95%: -8.64%
Max drawdown: -30.07%
Sortino ratio: 4.467
Calmar ratio: 7.99

The performance chart and period total return use a rolling window to the latest adjusted close. For 1M/3M/6M/... periods, default behavior is Yahoo-style rolling (first session on or after "latest date minus N calendar months" through the latest quote). If the calendar is already in a new month, the last quote is near month-end, and there is no current-month data yet, the window switches to N full calendar months ending in that quote month. Sharpe, Sortino, VaR and related metrics still come from the latest batch row. Sharpe/Sortino use annualized excess return versus the US risk-free rate, so a positive chart can still show a negative ratio if annualized return is below cash.

Period total return

23.73%

Ann. 57.41% (Sharpe / Sortino numerator)

Volatility

52.82%

Sharpe ratio

1.018

VaR 95%

-4.80%

CVaR 95%: -7.95%
Max drawdown: -38.59%
Sortino ratio: 1.205
Calmar ratio: 1.49

The performance chart and period total return use a rolling window to the latest adjusted close. For 1M/3M/6M/... periods, default behavior is Yahoo-style rolling (first session on or after "latest date minus N calendar months" through the latest quote). If the calendar is already in a new month, the last quote is near month-end, and there is no current-month data yet, the window switches to N full calendar months ending in that quote month. Sharpe, Sortino, VaR and related metrics still come from the latest batch row. Sharpe/Sortino use annualized excess return versus the US risk-free rate, so a positive chart can still show a negative ratio if annualized return is below cash.

Daily returns for period 12M

Daily simple returns from the same adjusted closes used by the performance chart: 20/10/2025 - 19/10/2026.

Methodology: adjusted prices + daily simple return
Average daily return

0.159%

Best day

13.437%

05/02/2026
Worst day

-19.085%

06/02/2026
Days with data

250

Recent price history (last 90 days)

Date Open High Low Close Volume
19/10/2026 $16.00 $16.29 $15.83 $16.24 119,700
16/10/2026 $15.50 $16.45 $15.50 $16.20 144,100
15/10/2026 $16.09 $16.43 $15.20 $15.20 190,900
14/10/2026 $15.42 $16.11 $15.36 $15.94 254,800
13/10/2026 $15.16 $15.43 $15.06 $15.30 87,400
12/10/2026 $15.12 $15.46 $14.85 $15.34 115,300
09/10/2026 $15.06 $15.38 $14.94 $15.08 111,500
08/10/2026 $15.43 $15.62 $15.21 $15.27 140,300
07/10/2026 $14.95 $15.46 $14.94 $15.44 135,100
06/10/2026 $14.43 $14.73 $14.30 $14.65 98,500