SPTB
State Street SPDR Portfolio Treasury ETF
stockNYSEETF
At CloseOct 2, 2026 3:54:10 PM EDT
28.74USD-0.174%(-0.05)50,633
28.76Bid28.78Ask0.02SpreadInteractive Brokers
As of 2026-10-05 08:53:23 AM EDT, there were 30,000 shares available with a fee of 3.59%.
SPTB Borrow Fee (CTB) · Changes
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|---|---|---|
| 2026-10-05 08:06:20 AM EDT | 3.59 | 30,000 | 0.29 |
| 2026-10-05 07:50:39 AM EDT | 3.59 | 35,000 | 0.29 |
| 2026-10-05 07:34:57 AM EDT | 3.59 | 30,000 | 0.29 |
| 2026-10-05 07:19:05 AM EDT | 3.59 | 70,000 | 0.29 |
| 2026-10-02 09:25:30 AM EDT | 3.59 | 150,000 | 0.29 |
| 2026-10-02 07:19:19 AM EDT | 4.02 | 150,000 | -0.14 |
| 2026-10-02 05:45:09 AM EDT | 4.02 | 350,000 | -0.14 |
| 2026-10-01 12:48:56 PM EDT | 4.02 | 300,000 | -0.14 |
| 2026-10-01 09:25:13 AM EDT | 4.02 | 150,000 | -0.14 |
| 2026-10-01 07:35:09 AM EDT | 4.03 | 150,000 | -0.15 |
| 2026-10-01 07:19:14 AM EDT | 4.03 | 9,000 | -0.15 |
| 2026-09-30 06:34:33 PM EDT | 4.03 | 150,000 | -0.15 |
| 2026-09-30 01:36:33 PM EDT | 3.99 | 150,000 | -0.11 |
| 2026-09-30 09:25:43 AM EDT | 3.98 | 150,000 | -0.10 |
| 2026-09-30 07:35:44 AM EDT | 3.68 | 150,000 | 0.20 |
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.
SPTB Borrow Fee (CTB)
SPTB 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.