Nasdaq · OBIL · ETF

US Treasury 12 Month Bill ETF (OBIL) ETF price history

Every Nasdaq trading session of US Treasury 12 Month Bill ETF from Nov 15, 2022 to Sep 28, 2026: 969 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

OBIL adjusted close, 2022 to 2026

OBILUS Treasury 12 Month Bill ETF
$49.76+1.9% over one year
2023202420252026
$50.11
All time high, 2026
$50.12
52 week high, $48.83 low
969
Daily sessions since 2022

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2022 to 2026 series and minute bars.

OBIL key facts

  • US Treasury 12 Month Bill ETF (OBIL) closed at $49.76 on Sep 28, 2026 on Nasdaq.
  • OBIL's all time high close is $50.11, set on Aug 14, 2026; its all time low close is $42.82 on Nov 22, 2022.
  • OBIL's 52 week range is $48.83 to $50.12.
  • OBIL returned +1.9% over the year to Sep 28, 2026.
  • Since Nov 15, 2022 OBIL returned +16%, +3.9% a year compounded.
  • OBIL's deepest drawdown was -0.7% from Aug 14, 2026 to Sep 28, 2026.
  • DataCedar holds 969 daily sessions of OBIL history from Nov 15, 2022 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

OBIL price chart, 2022 to 2026

OBIL adjusted close, Nov 15, 2022 to Sep 28, 2026$42.83$45.26$47.68$50.1120222023202420252026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

OBIL returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month-0.4%
3 months-0.4%
6 months+0.4%
Year to date+0.9%
1 year+1.9%
3 years+12.4%
5 yearsn/a
10 yearsn/a
Since Nov 15, 2022+16.1%
Compound annual growth, 3.9 years+3.9%

OBIL records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
$50.11 on Aug 14, 2026
All time low close
$42.82 on Nov 22, 2022
52 week high
$50.12 on Aug 14, 2026
52 week low
$48.83 on Sep 30, 2025
Deepest drawdown
-0.7% from Aug 14, 2026 to Sep 28, 2026, not yet recovered
Best single session
+0.6% on Mar 13, 2023
Worst single session
-0.4% on Sep 28, 2026
Volatility, 1 year annualised
0.8%
Sessions closing higher, 1 year
54%
Best calendar year
2024, +5%
Worst calendar year
2025, +4%

OBIL price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2022 starts on Nov 15, 2022; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$49.32$50.12$49.32$49.76+0.9%8.2M185
2025$47.31$49.32$47.28$49.31+4.2%10.5M250
2024$45.10$47.33$45.09$47.33+4.9%10.4M252
2023$43.09$45.10$43.04$45.10+4.7%10.6M250
2022$42.87$43.08$42.82$43.08n/a348.4K32

OBIL monthly closes, last 12 months

MonthMonth end closeChange
September 2026$49.76-0.4%
August 2026$49.94-0.1%
July 2026$49.970.0%
June 2026$49.97+0.2%
May 2026$49.89+0.3%
April 2026$49.76+0.3%
March 2026$49.63+0.1%
February 2026$49.57+0.3%
January 2026$49.45+0.3%
December 2025$49.31+0.4%
November 2025$49.13+0.4%
October 2025$48.95+0.2%

About the OBIL data

Daily bars. 969 sessions from Nov 15, 2022 to Sep 28, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Nov 15, 2022, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/OBIL/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

OBIL share price history

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