Laser Focus World is an industry bedrock—first published in 1965 and still going strong. We publish original articles about cutting-edge advances in lasers, optics, photonics, sensors, and quantum technologies, as well as test and measurement, and the shift currently underway to usher in the photonic integrated circuits, optical interconnects, and copackaged electronics and photonics to deliver the speed and efficiency essential for data centers of the future.

Our 80,000 qualified print subscribers—and 130,000 12-month engaged online audience—trust us to dive in and provide original journalism you won’t find elsewhere covering key emerging areas such as laser-driven inertial confinement fusion, lasers in space, integrated photonics, chipscale lasers, LiDAR, metasurfaces, high-energy laser weaponry, photonic crystals, and quantum computing/sensors/communications. We cover the innovations driving these markets.

Laser Focus World is part of Endeavor Business Media, a division of EndeavorB2B.

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Following the Photons: A Photonics Podcast dives deep into the fascinating world of photonics. Our weekly episodes feature interviews and discussions with industry and research experts, providing valuable perspectives on the issues, technologies, and trends shaping the photonics community.

Editorial Advisory Board

  • Professor Andrea M. Armani, University of Southern California
  • Ruti Ben-Shlomi, Ph.D., LightSolver
  • James Butler, Ph.D., Hamamatsu
  • Natalie Fardian-Melamed, Ph.D., Columbia University
  • Justin Sigley, Ph.D., AmeriCOM
  • Professor Birgit Stiller, Max Planck Institute for the Science of Light, and Leibniz University of Hannover
  • Professor Stephen Sweeney, University of Glasgow
  • Mohan Wang, Ph.D., University of Oxford
  • Professor Xuchen Wang, Harbin Engineering University
  • Professor Stefan Witte, Delft University of Technology

T-Rex 2X Inverse Tesla Daily Target ETF (NY:TSLZ)

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Historical Prices

Date Open High Low Close Volume Change (%)
Oct 17, 2025 0.7518 0.7600 0.6969 0.7007 106,475,664 -0.04(-5.04%)
Oct 16, 2025 0.7186 0.7627 0.7055 0.7379 114,022,200 +0.02(+3.12%)
Oct 15, 2025 0.7188 0.7470 0.7002 0.7156 81,474,472 -0.02(-2.77%)
Oct 14, 2025 0.7472 0.7720 0.7217 0.7360 90,730,104 +0.02(+2.85%)
Oct 13, 2025 0.7675 0.7778 0.7131 0.7156 117,264,832 -0.07(-9.42%)
Oct 10, 2025 0.7300 0.8083 0.7040 0.7900 160,742,464 +0.06(+8.13%)
Oct 09, 2025 0.7400 0.7587 0.7262 0.7306 64,737,968 +0.01(+1.90%)
Oct 08, 2025 0.7260 0.7632 0.7100 0.7170 80,261,808 -0.01(-1.78%)
Oct 07, 2025 0.6976 0.7388 0.6811 0.7300 127,912,160 +0.05(+6.83%)
Oct 06, 2025 0.7217 0.7348 0.6800 0.6833 94,070,704 -0.08(-9.97%)
Oct 03, 2025 0.7192 0.8036 0.7041 0.7590 158,415,104 +0.02(+3.27%)
Oct 02, 2025 0.6394 0.7383 0.6390 0.7350 144,222,912 +0.06(+9.44%)
Oct 01, 2025 0.7178 0.7291 0.6627 0.6716 76,614,336 -0.05(-6.46%)
Sep 30, 2025 0.7328 0.7547 0.7180 0.7180 65,017,888 -0.01(-0.99%)
Sep 29, 2025 0.7218 0.7339 0.7000 0.7252 97,070,056 -0.01(-0.82%)
Sep 26, 2025 0.7782 0.8037 0.7312 0.7312 112,984,248 -0.06(-7.91%)
Sep 25, 2025 0.7592 0.8084 0.7564 0.7940 138,374,432 +0.06(+8.65%)
Sep 24, 2025 0.7771 0.7824 0.7268 0.7308 114,444,536 -0.06(-7.87%)
Sep 23, 2025 0.7476 0.8000 0.7433 0.7932 107,550,464 +0.03(+3.77%)
Sep 22, 2025 0.7769 0.7824 0.7270 0.7644 121,676,160 -0.03(-3.87%)
Sep 19, 2025 0.8104 0.8110 0.7840 0.7952 89,057,456 -0.04(-4.51%)
Sep 18, 2025 0.7868 0.8328 0.7770 0.8328 105,448,712 +0.03(+4.26%)
Sep 17, 2025 0.8384 0.8584 0.7908 0.7988 138,091,392 -0.02(-2.26%)
Sep 16, 2025 0.8474 0.8550 0.8080 0.8173 153,113,088 -0.05(-5.38%)
Sep 15, 2025 0.7996 0.8960 0.7922 0.8638 194,887,984 -0.07(-7.13%)
Sep 12, 2025 1.080 1.080 0.9252 0.9301 225,044,688 -0.17(-15.45%)
Sep 11, 2025 1.220 1.240 1.100 1.100 82,448,568 -0.14(-10.93%)
Sep 10, 2025 1.220 1.250 1.170 1.235 65,710,184 -0.00(-0.40%)
Sep 09, 2025 1.240 1.270 1.212 1.240 56,037,912 -0.01(-0.40%)
Sep 08, 2025 1.200 1.260 1.160 1.245 66,706,552 +0.03(+2.47%)
Sep 05, 2025 1.240 1.270 1.180 1.215 106,924,976 -0.09(-7.25%)
Sep 04, 2025 1.330 1.370 1.310 1.310 31,932,766 -0.03(-2.60%)
Sep 03, 2025 1.330 1.400 1.270 1.345 72,804,760 -0.04(-2.89%)
Sep 02, 2025 1.400 1.420 1.350 1.385 64,959,816 +0.03(+2.59%)
Aug 29, 2025 1.250 1.370 1.240 1.350 56,747,524 +0.10(+7.57%)
Aug 28, 2025 1.230 1.300 1.210 1.255 50,007,032 +0.01(+1.21%)
Aug 27, 2025 1.220 1.240 1.190 1.240 45,427,088 +0.01(+1.22%)
Aug 26, 2025 1.270 1.280 1.220 1.225 64,952,684 -0.03(-2.78%)
Aug 25, 2025 1.320 1.350 1.240 1.260 70,321,928 -0.06(-4.55%)
Aug 22, 2025 1.490 1.500 1.310 1.320 65,193,944 -0.18(-11.71%)
Aug 21, 2025 1.480 1.510 1.450 1.495 69,271,744 +0.04(+2.75%)
Aug 20, 2025 1.415 1.540 1.390 1.455 88,733,200 +0.05(+3.19%)
Aug 19, 2025 1.360 1.430 1.320 1.410 78,377,776 +0.04(+3.30%)
Aug 18, 2025 1.415 1.415 1.350 1.365 52,623,308 -0.03(-2.50%)
Aug 15, 2025 1.345 1.440 1.330 1.400 80,260,232 +0.04(+2.94%)
Aug 14, 2025 1.360 1.410 1.320 1.360 61,412,176 +0.03(+2.26%)
Aug 13, 2025 1.320 1.340 1.260 1.330 112,793,848 +0.02(+1.53%)
Aug 12, 2025 1.300 1.380 1.290 1.310 75,363,088 -0.02(-1.87%)
Aug 11, 2025 1.370 1.380 1.270 1.335 131,575,824 -0.08(-5.65%)
Aug 08, 2025 1.495 1.500 1.360 1.415 134,141,048 -0.07(-4.71%)
Aug 07, 2025 1.510 1.540 1.480 1.485 100,190,296 -0.02(-1.33%)
Aug 06, 2025 1.630 1.640 1.500 1.505 121,992,448 -0.12(-7.10%)
Aug 05, 2025 1.625 1.660 1.580 1.620 90,345,344 +0.01(+0.31%)
Aug 04, 2025 1.620 1.690 1.580 1.615 106,816,968 -0.06(-3.87%)
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