US Treasury 12 Month Bill ETF (OBIL) NASDAQ

Currency In USD

OBIL Historical Return

If you invested $1000 in The RBB Fund, Inc. - US Treasury 12 Month Bill ETF (OBIL) since IPO date, it would be worth $1,157.57 as of June 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 3 years ago would be worth $1,133.21, while $1000 invested 1 year ago would be worth $1,029.51. This corresponds to total returns of 15.76%, 13.32%, 2.95%, respectively, with annualized returns of 4.14%, 4.25%, 2.95%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

OBIL Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 22, 2026	50.07	50.07	50.07	50.08	50.05	37,373
June 18, 2026	50.07	50.09	50.09	50.09	50.07	119,059
June 17, 2026	50.12	50.05	50.05	50.13	50.05	25,414
June 16, 2026	50.12	50.13	50.13	50.13	50.12	33,714
June 15, 2026	50.11	50.12	50.12	50.13	50.11	41,659
June 12, 2026	50.11	50.11	50.11	50.11	50.1	31,891
June 11, 2026	50.06	50.1	50.1	50.1	50.06	44,232
June 10, 2026	50.06	50.07	50.07	50.07	50.06	18,757
June 09, 2026	50.08	50.07	50.07	50.08	50.06	28,304
June 08, 2026	50.06	50.07	50.07	50.07	50.05	18,024
June 05, 2026	50.04	50.05	50.05	50.05	50.03	24,137
June 04, 2026	50.06	50.06	50.06	50.06	50.05	64,795
June 03, 2026	50.05	50.04	50.04	50.05	50.04	39,484
June 02, 2026	50.04	50.05	50.05	50.05	50.04	26,639
June 01, 2026	50.04	50.04	50.04	50.04	50.02	32,908
May 29, 2026	50.04	50.05	50.05	50.05	50.03	18,194
May 28, 2026	50.03	50.03	50.03	50.03	50.02	25,915
May 27, 2026	50.17	50.17	50.17	50.17	50.16	24,959
May 26, 2026	50.15	50.15	50.15	50.16	50.14	40,359
May 22, 2026	50.15	50.14	50.14	50.15	50.13	11,076
May 21, 2026	50.12	50.13	50.13	50.13	50.11	42,699
May 20, 2026	50.12	50.14	50.14	50.15	50.12	41,702
May 19, 2026	50.12	50.12	50.12	50.12	50.11	60,291
May 18, 2026	50.12	50.12	50.12	50.12	50.11	120,647
May 15, 2026	50.1	50.11	50.11	50.11	50.1	20,857
May 14, 2026	50.11	50.11	50.11	50.11	50.1	34,857
May 13, 2026	50.1	50.1	50.1	50.1	50.08	62,703
May 12, 2026	50.08	50.09	50.09	50.09	50.08	40,442
May 11, 2026	50.1	50.1	50.1	50.1	50.09	54,435
May 08, 2026	50.1	50.11	50.11	50.11	50.1	15,602
May 07, 2026	50.09	50.08	50.08	50.1	50.08	17,117
May 06, 2026	50.08	50.09	50.09	50.09	50.08	23,429
May 05, 2026	50.07	50.07	50.07	50.08	50.06	19,138
May 04, 2026	50.08	50.06	50.06	50.08	50.04	59,563
May 01, 2026	50.08	50.08	50.08	50.08	50.07	23,907
April 30, 2026	50.06	50.07	50.07	50.07	50.05	31,498
April 29, 2026	50.05	50.05	50.05	50.06	50.04	50,656
April 28, 2026	50.06	50.06	50.06	50.06	50.05	29,904
April 27, 2026	50.21	50.21	50.21	50.21	50.2	25,579
April 24, 2026	50.2	50.21	50.21	50.21	50.2	30,717
April 23, 2026	50.19	50.19	50.19	50.19	50.18	27,681
April 22, 2026	50.18	50.18	50.18	50.19	50.17	34,647
April 21, 2026	50.19	50.18	50.18	50.19	50.17	41,594
April 20, 2026	50.18	50.19	50.19	50.19	50.18	34,589
April 17, 2026	50.18	50.2	50.2	50.2	50.18	79,497
April 16, 2026	50.16	50.16	50.16	50.16	50.15	17,146
April 15, 2026	50.14	50.14	50.14	50.14	50.13	31,017
April 14, 2026	50.14	50.14	50.14	50.14	50.13	16,753
April 13, 2026	50.12	50.13	50.13	50.13	50.12	30,027
April 10, 2026	50.12	50.12	50.12	50.13	50.12	40,711
April 09, 2026	50.12	50.12	50.12	50.13	50.12	14,835
April 08, 2026	50.13	50.12	50.12	50.14	50.11	21,060
April 07, 2026	50.1	50.12	50.12	50.12	50.09	27,100
April 06, 2026	50.09	50.09	50.09	50.09	50.08	29,383
April 02, 2026	50.09	50.11	50.11	50.11	50.09	13,087
April 01, 2026	50.08	50.08	50.08	50.09	50.08	24,957
March 31, 2026	50.06	50.08	50.08	50.08	50.06	57,851
March 30, 2026	50.04	50.06	50.06	50.06	50.04	11,168
March 27, 2026	50.14	50.17	50.02	50.17	50.13	56,173
March 26, 2026	50.14	50.13	49.98	50.14	50.13	72,891