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YSS
York Space Systems Inc.
stock NYSE

At Close

Aug 13, 2026 3:59:55 PM EDT

11.46USD+3.710%(+0.41)3,952,186

8.97Bid 9.21Ask 0.24Spread

Pre-market

Aug 13, 2026 9:29:30 AM EDT

11.09USD+0.362%(+0.04)4,884

After-hours

Aug 13, 2026 4:59:36 PM EDT

8.98USD-21.640%(-2.48)380,858

OverviewOptionsHistoricalDark Pool LevelsShortsTrends

YSS Volume Aug 13, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	38.95	1,691,262	47.14
NYSE Arca	15.26	662,504	6.72
NYSE	13.21	573,571	21.36
Nasdaq GSM	13.06	566,849	8.89
Cboe EDGX	6.14	266,657	3.64
Cboe BZX	3.16	137,026	3.40
IEX	3.13	136,071	4.70
MEMX	1.86	80,889	1.46
Cboe EDGA	1.17	50,745	0.42
Cboe BYX	1.14	49,314	0.73
Nasdaq BX	1.08	46,809	0.34
NYSE National	1.05	45,544	0.35
MIAX Pearl	0.37	15,916	0.48
Texas Stock Exchange LLC	0.25	10,978	0.03
NYSE American	0.09	3,750	0.15
Nasdaq PHLX	0.06	2,748	0.11
24X National	0.02	700	0.01
CHX	0.01	471	0.05

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

YSS Nutrition Facts

2.34 servings per container

Serving size

1.86M

Calories

4.34M

% Day

% Avg

Off Exchange¹ 2M

38.95%

47.14%

NYSE Arca 663K

15.26%

6.72%

NYSE 574K

13.21%

21.36%

Nasdaq GSM 567K

13.06%

8.89%

Cboe EDGX 267K

6.14%

3.64%

Cboe BZX 137K

3.16%

3.40%

IEX 136K

3.13%

4.70%

MEMX 81K

1.86%

1.46%

Cboe EDGA 51K

1.17%

0.42%

Cboe BYX 49K

1.14%

0.73%

Nasdaq BX 47K

1.08%

0.34%

NYSE National 46K

1.05%

0.35%

MIAX Pearl 16K

0.37%

0.48%

Texas Stock Exchange LLC 11K

0.25%

0.03%

NYSE American 4K

0.09%

0.15%

Nasdaq PHLX 3K

0.06%

0.11%

24X National 700

0.02%

0.01%

CHX 471

0.01%

0.05%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

YSS Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 1,691,262, which is 38.95% of today's total volume.
Today's Lit volume is 2,650,542, which is 61.05%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 47.14%.
The average Lit volume has been 52.86%.

YSS Volume by Exchange

Off Exchange

NYSE Arca

NYSE

Nasdaq GSM

Cboe EDGX

Cboe BZX

IEX

MEMX

Cboe EDGA

Cboe BYX

Nasdaq BX