SPMB
State Street SPDR Portfolio Mortgage Backed Bond ETF
stockNYSEETF
At CloseOct 2, 2026 3:59:54 PM EDT
21.06USD-0.284%(-0.06)3,503,073
After-hoursOct 2, 2026 4:54:30 PM EDT
21.01USD-0.216%(-0.05)
Interactive Brokers
As of 2026-10-05 08:06:20 AM EDT, there were 150,000 shares available with a fee of 0.95%.
SPMB Borrow Fee (CTB) · Changes
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|---|---|---|
| 2026-10-05 07:19:05 AM EDT | 0.95 | 150,000 | 2.93 |
| 2026-10-05 07:03:22 AM EDT | 0.95 | 100,000 | 2.93 |
| 2026-10-05 06:00:34 AM EDT | 0.95 | 150,000 | 2.93 |
| 2026-10-02 09:25:30 AM EDT | 0.95 | 100,000 | 2.93 |
| 2026-10-02 08:07:01 AM EDT | 0.65 | 100,000 | 3.23 |
| 2026-10-02 07:35:27 AM EDT | 0.65 | 90,000 | 3.23 |
| 2026-10-02 07:19:19 AM EDT | 0.65 | 70,000 | 3.23 |
| 2026-10-02 06:00:53 AM EDT | 0.65 | 300,000 | 3.23 |
| 2026-10-02 05:13:47 AM EDT | 0.65 | 250,000 | 3.23 |
| 2026-10-02 04:42:25 AM EDT | 0.65 | 200,000 | 3.23 |
| 2026-10-02 02:52:41 AM EDT | 0.65 | 250,000 | 3.23 |
| 2026-10-02 12:31:33 AM EDT | 0.65 | 200,000 | 3.23 |
| 2026-10-01 03:25:38 PM EDT | 0.65 | 250,000 | 3.23 |
| 2026-10-01 12:48:56 PM EDT | 0.58 | 250,000 | 3.30 |
| 2026-10-01 12:33:19 PM EDT | 0.58 | 200,000 | 3.30 |
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.
SPMB Borrow Fee (CTB)
SPMB Borrow Fee (CTB) · Data
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|
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.