Shares of Cipher Mining Inc. (ticker: CIFR) experienced notable gains in after-hours trading on July 1, 2025, reaching a high of $5.28 shortly before 8 p.m. The stock approached the $5 mark during the day and saw increased options activity, particularly in December $10 call options. Trading data indicated a strong call-to-put ratio, with approximately 91,000 call options compared to 5,367 put options, reflecting bullish sentiment among investors. As of July 3, 2025, around 69% of these options remained in play with ample time until expiration.

CIFR has experienced unusually high trading activity over the past several days, with daily volumes consistently around 70 million shares, effectively churning the entire free float of the company. This trading volume is notable given CIFR's market capitalization of approximately $1.8 billion. On July 1, CIFR traded 56 million shares going into the final hour, after hitting volumes of 69 million, 74 million, and 70 million shares in the preceding three days. Options activity has also been robust, with 18,000 January $15 call contracts traded recently, and strong interest in July and August $6 call strikes as well as December $10 calls. CIFR's stock price has shown upward momentum, nearing $5, and it traded its average daily volume of 15 million shares within the first hour of trading on July 1. Additionally, there was a mention of added Prudential Financial (PRU) July 110 calls, indicating some options activity in other stocks as well.

Shares of Bitcoin miner Iris Energy Ltd. climbed roughly 10% on 1 July, briefly topping their December peak after about 3.5 million shares changed hands in a five-minute span. Market participants also showed heightened interest in derivatives tied to the stock, with buying concentrated in July 25 $17 call options.

Unusual activity spread to peer Cipher Mining Inc. Traders exchanged 18,000 January $15 call contracts in the company, contributing to what Citadel described as the fifth-largest quarter-over-quarter increase in options volume across U.S. equities. The most popular strikes for CIFR during the session were July and August $6 calls.

Despite the surge in IREN and CIFR contracts, Citadel said neither ticker ranked among the 20 most-traded names by total option volume for the day, suggesting the moves were concentrated rather than broad-based. Core Scientific Inc. briefly turned positive alongside the rally in cryptocurrency-linked mining stocks.

Shares of Cipher Mining Inc. (ticker: CIFR) experienced notable gains in after-hours trading on July 1, 2025, reaching a high of $5.28 shortly before 8 p.m. The stock approached the $5 mark during the day and saw increased options activity, particularly in December $10 call options. Trading data indicated a strong call-to-put ratio, with approximately 91,000 call options compared to 5,367 put options, reflecting bullish sentiment among investors. As of July 3, 2025, around 69% of these options remained in play with ample time until expiration.

CIFR has experienced unusually high trading activity over the past several days, with daily volumes consistently around 70 million shares, effectively churning the entire free float of the company. This trading volume is notable given CIFR's market capitalization of approximately $1.8 billion. On July 1, CIFR traded 56 million shares going into the final hour, after hitting volumes of 69 million, 74 million, and 70 million shares in the preceding three days. Options activity has also been robust, with 18,000 January $15 call contracts traded recently, and strong interest in July and August $6 call strikes as well as December $10 calls. CIFR's stock price has shown upward momentum, nearing $5, and it traded its average daily volume of 15 million shares within the first hour of trading on July 1. Additionally, there was a mention of added Prudential Financial (PRU) July 110 calls, indicating some options activity in other stocks as well.

Shares of Bitcoin miner Iris Energy Ltd. climbed roughly 10% on 1 July, briefly topping their December peak after about 3.5 million shares changed hands in a five-minute span. Market participants also showed heightened interest in derivatives tied to the stock, with buying concentrated in July 25 $17 call options.

Unusual activity spread to peer Cipher Mining Inc. Traders exchanged 18,000 January $15 call contracts in the company, contributing to what Citadel described as the fifth-largest quarter-over-quarter increase in options volume across U.S. equities. The most popular strikes for CIFR during the session were July and August $6 calls.

Despite the surge in IREN and CIFR contracts, Citadel said neither ticker ranked among the 20 most-traded names by total option volume for the day, suggesting the moves were concentrated rather than broad-based. Core Scientific Inc. briefly turned positive alongside the rally in cryptocurrency-linked mining stocks.