REFR

Research Frontiers Inc

Company with tickers: REFR

CIK

793524

CUSIP

760911107

Shares Outstanding

34,867,786

Website

https://www.smartglass.com

13F Activity (30d)

2 filings 1 filers

Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.

Short Squeeze Score

51/100

Short interest 1.0% of shares — P39 Days to cover 15.2 — P96 Short-volume trend -10.0% — P18

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-05-29). Equal-weight mean of the available factors.

1M 3M 6M 1Y 5Y All

Short Interest History

Settlement Date	Current Position	Previous Position	Change	Avg Daily Volume	Days to Cover
2020-01-15	3,238,889	3,231,145	+7,744	56,576	57.25
2020-01-31	3,127,660	3,238,889	-111,229	65,293	47.90
2020-02-14	3,129,206	3,127,660	+1,546	44,151	70.88
2020-02-28	3,087,100	3,129,206	-42,106	174,700	17.67
2020-03-13	2,974,296	3,087,100	-112,804	111,014	26.79
2020-03-31	1,928,200	2,974,296	-1,046,096	171,108	11.27
2020-04-15	1,734,853	1,928,200	-193,347	143,708	12.07
2020-04-30	1,665,096	1,734,853	-69,757	78,709	21.16
2020-05-15	1,654,890	1,665,560	-10,670	179,984	9.19
2020-05-29	1,719,636	1,654,890	+64,746	160,130	10.74
2020-06-15	1,994,461	1,719,636	+274,825	169,510	11.77
2020-06-30	2,935,898	1,994,461	+941,437	533,985	5.50
2020-07-15	2,704,105	2,935,898	-231,793	189,804	14.25
2020-07-31	2,632,308	2,704,105	-71,797	116,812	22.53
2020-08-14	2,603,402	2,632,308	-28,906	177,195	14.69
2020-08-31	2,186,605	2,603,402	-416,797	279,565	7.82
2020-09-15	2,229,704	2,186,605	+43,099	238,154	9.36
2020-09-30	2,232,025	2,229,704	+2,321	218,708	10.21
2020-10-15	2,120,426	2,232,025	-111,599	91,452	23.19
2020-10-30	1,869,712	2,120,426	-250,714	79,002	23.67
2020-11-13	1,682,617	1,869,712	-187,095	86,354	19.49
2020-11-30	1,558,764	1,682,617	-123,853	103,923	15.00
2020-12-15	1,539,531	1,558,764	-19,233	341,340	4.51
2020-12-31	1,435,139	1,539,531	-104,392	533,197	2.69
2021-01-15	1,369,252	1,435,139	-65,887	468,437	2.92
2021-01-29	1,598,554	1,369,252	+229,302	446,355	3.58
2021-02-12	1,619,703	1,598,554	+21,149	335,773	4.82
2021-02-26	1,740,985	1,619,703	+121,282	259,672	6.70
2021-03-15	1,750,384	1,740,985	+9,399	205,389	8.52
2021-03-31	1,892,065	1,750,384	+141,681	121,623	15.56
2021-04-15	2,351,443	1,892,065	+459,378	113,683	20.68
2021-04-30	2,041,015	2,351,443	-310,428	139,887	14.59
2021-05-14	1,983,560	2,041,015	-57,455	174,344	11.38
2021-05-28	1,929,134	1,983,560	-54,426	173,576	11.11
2021-06-15	2,466,555	1,928,834	+537,721	95,000	25.96
2021-06-30	1,107,117	2,466,555	-1,359,438	461,815	2.40
2021-07-15	1,031,914	1,107,117	-75,203	129,632	7.96
2021-07-30	1,015,922	1,031,914	-15,992	89,353	11.37
2021-08-13	1,021,097	1,015,922	+5,175	231,101	4.42
2021-08-31	927,244	1,021,097	-93,853	118,316	7.84
2021-09-15	1,131,127	927,244	+203,883	510,077	2.22
2021-09-30	990,154	1,131,127	-140,973	100,110	9.89
2021-10-15	910,912	990,154	-79,242	62,892	14.48
2021-10-29	781,714	910,912	-129,198	37,666	20.75
2021-11-15	818,769	781,714	+37,055	66,193	12.37
2021-11-30	752,064	818,769	-66,705	87,300	8.61
2021-12-15	731,781	752,064	-20,283	86,926	8.42
2021-12-31	790,577	731,781	+58,796	119,026	6.64
2022-01-14	717,498	790,577	-73,079	34,831	20.60
2022-01-31	666,585	717,498	-50,913	67,779	9.83

Showing 1–50 of 154 settlements