Stocks that have experienced large volatility Today on Dec. 12, 2025

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Rank Ticker Expansion Value Name
1 TQQQ 125.05 ProShares UltraPro QQQ
2 APLX 106.62 Tradr 2X Long APLD Daily ETF
3 QBTX ðŸ“ˆ 78.69 Tradr 2X Long QBTS Daily ETF
4 SYM ðŸš€ ðŸ“ˆ 68.29 Symbotic Inc.
5 ASTS ðŸ“ˆ 66.51 AST SpaceMobile, Inc.
6 SERV ðŸš€ ðŸ“ˆ 65.97 Serve Robotics Inc.
7 CRCG ðŸš€ 65.36 Leverage Shares 2X Long CRCL Da
8 AMKR 64.76 Amkor Technology, Inc.
9 CWVX ðŸ“ˆ 64.24 Tradr 2X Long CRWV Daily ETF
10 RKLB ðŸš€ ðŸ“ˆ 61.20 Rocket Lab Corporation
11 OKLL ðŸ“ˆ 60.79 Defiance Daily Target 2x Long O
12 CLSK ðŸ“ˆ 60.07 CleanSpark, Inc.
13 CVNA ðŸ“ˆ 59.38 Carvana Co.
14 QUBX ðŸ“ˆ 58.27 Tradr 2X Long QUBT Daily ETF
15 LITE ðŸ“ˆ 57.91 Lumentum Holdings Inc.
16 APLD ðŸš€ ðŸ“ˆ 57.70 Applied Digital Corporation
17 CFLT ðŸš€ 57.17 Confluent, Inc.
18 SOXL ðŸš€ ðŸ“ˆ 57.13 Direxion Daily Semiconductor Bu
19 ROBN ðŸš€ ðŸ“ˆ 57.01 T-Rex 2X Long HOOD Daily Target
20 NNOX ðŸš€ ðŸ“ˆ 56.49 NANO-X IMAGING LTD
21 CHYM 55.50 Chime Financial, Inc.
22 ARCX ðŸ“ˆ 55.09 Tradr 2X Long ACHR Daily ETF
23 IONL ðŸ“ˆ 54.52 GraniteShares 2x Long IONQ Dail
24 LUNR ðŸš€ ðŸ“ˆ 54.13 Intuitive Machines, Inc.
25 AEO ðŸš€ 53.90 American Eagle Outfitters, Inc.
26 NTNX 53.89 Nutanix, Inc.
27 COHR 52.06 Coherent Corp.
28 MCHP 51.51 Microchip Technology Incorporat
29 RGTU ðŸ“ˆ 50.94 Tradr 2X Long RGTI Daily ETF
What Are Bollinger Bands Indicator?

Bollinger Bands are a technical analysis indicator developed by John Bollinger that helps traders gauge price volatility and identify potential overbought or oversold conditions. The indicator is made up of three lines plotted on a price chart. The middle band is typically a 20-period simple moving average (SMA) of the asset's price, representing its intermediate-term trend. The upper and lower bands are plotted a specified number of standard deviations (usually two) above and below the SMA. The key to understanding Bollinger Bands is their dynamic nature. The bands widen during periods of high volatility and contract during periods of low volatility, which is known as a "Bollinger Squeeze." Traders often see this contraction as a sign that a significant price move may be imminent. A common trading strategy involves using the bands to identify relative highs and lows. When the price of an asset reaches the upper band, it may be considered overbought, potentially signaling a selling opportunity. Conversely, when the price touches the lower band, it may be considered oversold, suggesting a potential buying opportunity. However, it's important to use Bollinger Bands in conjunction with other indicators for confirmation, as price can "walk the band" for extended periods during strong trends.