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FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Apr. 30, 2026
FAIR VALUE MEASUREMENTS  
Schedule of financial instruments recorded at fair value on a recurring basis

April 30, 2026

January 31, 2026

Level 1

Level 2

Level 3

Level 1

Level 2

Level 3

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Inputs

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Inputs

Inputs

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Inputs

Inputs

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Inputs

Cash equivalents:

Money market funds

$

150,939

$

$

$

149,597

$

$

Available-for-sale securities:

U.S. Treasury notes

444,905

403,599

Totals

$

150,939

$

444,905

$

$

149,597

$

403,599

$