chartexchange

MUB
iShares National Muni Bond ETF
stockNYSEETF

Market OpenOct 5, 2026 10:10:39 AM EDT
100.96USD+0.005%(0.00)2,262,188
100.99Bid101.01Ask0.02Spread
Pre-marketOct 5, 2026 9:29:30 AM EDT
101.08USD+0.119%(+0.12)
Interactive Brokers

As of 2026-10-05 09:56:01 AM EDT, there were 70,000 shares available with a fee of 8.38%.

MUB Borrow Fee (CTB) · Changes

Updated1Fee2 %AvailableRebate3 %
2026-10-05 09:56:01 AM EDT8.3870,000-4.50
2026-10-05 09:24:40 AM EDT8.3865,000-4.50
2026-10-05 08:06:20 AM EDT5.8665,000-1.98
2026-10-05 07:34:57 AM EDT5.8695,000-1.98
2026-10-05 05:13:29 AM EDT5.861,100,000-1.98
2026-10-05 04:57:52 AM EDT5.861,200,000-1.98
2026-10-02 05:33:05 PM EDT5.861,100,000-1.98
2026-10-02 03:27:00 PM EDT5.941,100,000-2.06
2026-10-02 02:24:21 PM EDT6.491,100,000-2.61
2026-10-02 01:21:44 PM EDT6.541,100,000-2.66
2026-10-02 12:34:49 PM EDT7.551,100,000-3.67
2026-10-02 12:03:28 PM EDT7.551,500,000-3.67
2026-10-02 11:31:39 AM EDT7.551,000,000-3.67
2026-10-02 10:13:20 AM EDT74.641,000,000-70.76
2026-10-02 09:25:30 AM EDT74.64900,000-70.76
1 Data from Interactive Brokers. IBKR publishes an updated file every 15 minutes. If there’s no update, there aren’t any shares available.
2 A stock loan fee (a.k.a. borrow fee, borrow rate, or cost to borrow) is a fee charged by a brokerage firm to a client for borrowing shares.
3 A stock loan rebate is a cash payment granted by a brokerage to a customer who lends stock as cash collateral to short sellers. A positive rebate means the lender pays the interest to the broker-dealer; a negative rebate means the security is hard-to-borrow and the broker-dealer pays the interest to the lender.

MUB Borrow Fee (CTB)

MUB Borrow Fee (CTB) · Data

Updated1Fee2 %AvailableRebate3 %
1 Data from Interactive Brokers. IBKR publishes an updated file every 15 minutes. If there’s no update, there aren’t any shares available.
2 A stock loan fee (a.k.a. borrow fee, borrow rate, or cost to borrow) is a fee charged by a brokerage firm to a client for borrowing shares.
3 A stock loan rebate is a cash payment granted by a brokerage to a customer who lends stock as cash collateral to short sellers. A positive rebate means the lender pays the interest to the broker-dealer; a negative rebate means the security is hard-to-borrow and the broker-dealer pays the interest to the lender.