Education3 min read
Volatility Explained: Standard Deviation, Beta and the VIX
Volatility measures how much prices swing. How standard deviation captures it, what beta compares, what the VIX measures, and why volatility is not loss.
Page 15 of 42
All articles, page 15
Articles 337–360 of 990, newest first. To read by subject instead, start from a category or a topic hub on the blog’s front page.
- Education4 min read
World War I Timeline: From Sarajevo to the Armistice
A dated World War I timeline: Sarajevo, the August 1914 declarations, the Marne, Verdun, the Somme, US entry in 1917, Brest-Litovsk and 11 November 1918.
- Action & Arcade3 min read
World War Gunship Attack Guide: Missions, Attacks and Hangar Upgrades
A guide to World War Gunship Attack: reading enemy patterns, switching attacks, timing ultimates for bosses, hangar upgrades and the difficulty settings.
- Sports & GM6 min read
4-3 vs 3-4 Defense: How the Two Fronts Work and What Each Asks of a Roster
How the 4-3 and 3-4 fronts line up, where each gets its pass rush, when a nickel package replaces them, and what each front asks of a roster.
- Sports & GM7 min read
BABIP Explained: Batting Average on Balls in Play, and When It Means Luck
BABIP is batting average on balls in play. The formula, why strikeouts and home runs drop out, and how much of it is luck for hitters versus pitchers.
- Sports & GM7 min read
Baseball Positions by Number: What Each of the Nine Does
The scorebook numbers 1 to 9, what each fielder is responsible for, the few rules written for specific positions, and how to read a play like 6-4-3.
- Sports & GM9 min read
Baseball Rules for Beginners: Innings, Outs, Force Plays and the Rules That Confuse Newcomers
How a baseball game works under the 2026 rules: innings, outs and the count, force and tag plays, tagging up, the ground-rule double and the DH, explained.
- Sports & GM8 min read
Basketball Fouls Explained: Personal, Technical, Flagrant, the Bonus and Fouling Out
What makes contact a foul, how the bonus works, how many fouls end a player's night, and how technical, flagrant and FIBA's new disruptive fouls differ.
- Sports & GM6 min read
Basketball Offense Types: Motion, Pick-and-Roll, Pace-and-Space and the Systems in Between
The main types of basketball offence, the problem each solves and the players it needs, plus the shot-value maths and league data behind the three-point era.
- Sports & GM7 min read
Basketball Player Archetypes: 3-and-D, Rim Protector, Stretch Big and the Rest
The common basketball archetypes, from 3-and-D wings to rim protectors and stretch bigs: the skills behind each, how to spot it in the stats, and which fit.
- Sports & GM8 min read
Basketball Rules for Beginners: Scoring, the Clocks, Violations and How a Possession Flows
A plain-English guide to basketball's rules: scoring, the game and shot clocks, travelling, three seconds, goaltending and the fouls that stop play.
- Sports & GM6 min read
Boxing Belts Explained: Sanctioning Bodies, Undisputed, Lineal and Interim Titles
Why boxing has four world champions per division, what unified, undisputed, lineal, interim and super titles mean, and what US law asks of sanctioning bodies.
- Sports & GM8 min read
Boxing Rules for Beginners: Knockdowns, the Count, Fouls and the Bell
How a pro boxing bout runs under the unified rules: three-minute rounds, the mandatory eight count, no standing eight or three-knockdown rule, and fouls.
- Sports & GM7 min read
Boxing Styles Explained: Out-Boxer, Swarmer, Slugger, Boxer-Puncher and Counter-Puncher
How each classic boxing style uses distance and tempo, how out-boxers, swarmers, sluggers and boxer-punchers win rounds, and where each one is exposed.
- Sports & GM6 min read
Boxing vs MMA Rules: The Differences That Change How a Fight Is Won
Boxing and MMA rules side by side — round length, gloves, targets, the clinch, the ground, knockdowns and scoring — and what each difference changes in a fight.
- Sports & GM6 min read
Boxing Weight Classes Explained: Every Division, and Why the Limits Depend on Who You Ask
All 17 pro boxing divisions with limits in pounds and kilograms, the WBC's extra bridgerweight class, and why sanctioning bodies and commissions differ.
- Sports & GM6 min read
Cover 2 vs Cover 3 (and Cover 1 and 4): Pass Coverages Explained
What the number in Cover 1, 2, 3 and 4 counts, how each coverage splits the field between deep and underneath defenders, and where each one is thinnest.
- Sports & GM6 min read
Direct vs Indirect Free Kicks in Soccer, Explained With the Offences That Cause Each
Which offences give a direct or an indirect free kick under the 2026/27 Laws, the raised-arm signal, the 9.15 m and wall rules, and indirect kicks in the box.
- Sports & GM6 min read
Does Reach Matter in Boxing and MMA? What the Evidence Actually Shows
What reach measures, what studies of 2,229 MMA bouts and 182 heavyweight title fights found, why the effect is smaller than it looks, and how to weigh it.
- Sports & GM7 min read
The Dropped Third Strike Rule: When a Strikeout Batter Can Run
A batter can run on an uncaught third strike only if first base is empty or there are two out. A table for every case, and how the play is scored.
- Sports & GM6 min read
Expected Goals (xG) Explained: What the Number Measures and What It Cannot
What expected goals measures, how xG models are built from past shots, why the number is a probability rather than a prediction, and what xGOT and xGA add.
- Sports & GM7 min read
Faceoff Rules in Hockey: Where, How and Why Centres Get Thrown Out
Hockey faceoff rules from the NHL rulebook: the nine spots, where each stoppage restarts, who puts the stick down first and what gets a centre waved out.
- Sports & GM8 min read
FIP vs ERA: What Fielding Independent Pitching Measures That ERA Can't
ERA charges a pitcher for his fielders, his luck and the order of events. FIP rebuilds it from the outcomes he controls. How it works, and when ERA still wins.
- Sports & GM6 min read
The Franchise Tag Explained: Exclusive, Non-Exclusive and Transition Tags
What each NFL tag lets a team and rival clubs do, how the one-year salary is calculated, why repeat tags cost more, and how a club chooses between them.