Spero Therapeutics (SPRO) Total Return Level: 1.11

Spero Therapeutics, Inc. (SPRO)

1.06 -0.05 (-4.50%) USD | NASDAQ | Oct 30, 16:00

1.06 0.00 (0.00%) After-Hours: 19:56

Total Return Level Chart

Historical Total Return Level Data

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Date	Value
October 29, 2026	1.11
October 28, 2026	1.17
October 27, 2026	1.14
October 26, 2026	1.07
October 23, 2026	1.11
October 22, 2026	1.13
October 21, 2026	1.17
October 20, 2026	1.22
October 19, 2026	1.12
October 16, 2026	1.10
October 15, 2026	1.13
October 14, 2026	1.12
October 13, 2026	1.15
October 12, 2026	1.18
October 09, 2026	1.20
October 08, 2026	1.14
October 07, 2026	1.17
October 06, 2026	1.19
October 05, 2026	1.16
October 02, 2026	1.19
October 01, 2026	1.26
September 30, 2026	1.21
September 29, 2026	1.20
September 28, 2026	1.19
September 25, 2026	1.23

Date	Value
September 24, 2026	1.25
September 23, 2026	1.26
September 22, 2026	1.36
September 21, 2026	1.14
September 18, 2026	1.13
September 17, 2026	1.12
September 16, 2026	1.11
September 15, 2026	1.13
September 14, 2026	1.14
September 11, 2026	1.13
September 10, 2026	1.12
September 09, 2026	1.17
September 08, 2026	1.19
September 04, 2026	1.21
September 03, 2026	1.22
September 02, 2026	1.22
September 01, 2026	1.20
August 31, 2026	1.22
August 28, 2026	1.20
August 27, 2026	1.21
August 26, 2026	1.22
August 25, 2026	1.23
August 24, 2026	1.215
August 21, 2026	1.22
August 20, 2026	1.21

Total Return Level Definition

The total return level allows investors to view the performance of a security inclusive of both price appreciation and dividends/distributions. Total return level is seen as the most accurate calculation that produces returns consistent with most other sources.

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Total Return Level Range, Past 5 Years

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