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The 11:30–VWAP–OI Framework : A Disciplined Approach to Intraday Index Option Trading

CRA PERSPECTIVE • TRADING EDUCATION The 11:30–VWAP–OI Framework A Disciplined Approach to Intraday Index Option Trading WAIT • OBSERVE • VERIFY • ENTER • PROTECT An educational framework for studying timing, market positioning, VWAP, option-chain data and risk management. The Problem With Rushing Into the Market Intraday index-option trading can create an intense temptation to act during the first few minutes of the session. Prices can move rapidly, option premiums can expand suddenly, and traders may feel that missing the first move means missing the entire opportunity. But a disciplined trading process does not begin with the question: “Where should I enter?” It begins with: “What information has the market revealed?” The CRA Perspective framework presented here combines a time filter, option-chain positioning, Put-Call Ratio (PCR), VWAP, price structure and predefined risk controls into one structured decision process. “Pati...
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🍔 National Hamburger Day – 28th May (US)

🍔 National Hamburger Day – 28th May (US)

Celebrate America's favorite sandwich — juicy beef, soft bun, and all the fixings

28th May National Hamburger Day hamburger burger day May 28

Every year on 28th May, the United States celebrates National Hamburger Day — a delicious food holiday dedicated to the iconic American sandwich: a grilled beef patty served in a soft bun, topped with cheese, lettuce, tomato, onion, pickles, and condiments. It's the ultimate comfort food, the star of backyard barbecues, and a staple of fast‑food menus across the country.

The origins of National Hamburger Day are unclear (likely a restaurant or food industry promotion from the 1990s). However, May 28 falls during National Burger Month (May) and just before Memorial Day weekend — the unofficial start of grilling season. Some sources list May 28; others list May 27 or a floating date. Regardless, it's a great excuse to fire up the grill.

🍔 What Is a Hamburger?

The classic components

  • 🥩 Patty — Ground beef (usually 80/20 lean/fat), shaped and grilled or pan‑fried.
  • 🍔 Bun — Sesame seed, brioche, potato, or plain soft roll.
  • 🧀 Cheese (optional) — American, cheddar, Swiss, pepper jack, blue cheese.
  • 🥬 Toppings — Lettuce, tomato, onion, pickles, jalapeños, bacon, avocado, fried egg.
  • 🍅 Sauces — Ketchup, mustard, mayonnaise, BBQ sauce, special sauce (Thousand Island).

📜 A Brief History of the Hamburger

  • 🌍 Ancient origins — Minced meat patties existed in many cultures (Mongolian, Roman, medieval European).
  • 🇩🇪 German roots — Hamburg steak (pan‑fried beef patty) was popular in Hamburg, Germany, in the 18th–19th centuries.
  • 🇺🇸 Late 19th century US — German immigrants brought Hamburg steak to America. The "hamburger sandwich" (patty between bread) emerged at fairs and lunch wagons.
  • 🏆 Claimants to invention — Multiple people claim to have invented the hamburger: Louis Lassen (Louis' Lunch, New Haven, CT, 1900), Charlie Nagreen (Seymour, WI, 1885), Oscar Bilby (Tulsa, OK, 1891), and others.
  • 🍟 1921 — White Castle opens the first fast‑food burger chain.
  • 🍔 1940s–present — McDonald's, Burger King, Wendy's, In‑N‑Out, and thousands of others.

🍔 Hamburger By the Numbers (US)

  • 🍔 50 billion burgers — Consumed annually in the US (est. 3 per person per week!).
  • 🍟 1 in 4 Americans — Eat a burger at least once a week.
  • 💰 $100 billion+ — Annual burger industry revenue.
  • 🍔 McDonald's — Sells ~75 burgers per second globally (over 2 billion per year).
  • 🥩 Most popular burger — Cheeseburger outsells plain hamburger by 2:1.

🍔 Regional Hamburger Styles

  • 🍔 California burger — Lettuce, tomato, onion, and "secret sauce." Often with avocado.
  • 🧀 Juicy Lucy (Minnesota) — Cheese stuffed inside the patty (melts into gooey center).
  • 🌶️ Green Chile cheeseburger (New Mexico) — Topped with roasted Hatch green chiles.
  • 🍄 Mushroom Swiss burger — Sautéed mushrooms and Swiss cheese.
  • 🍳 Breakfast burger — Topped with fried egg, bacon, sometimes hash browns.
  • 🥜 Peanut butter burger — Peanut butter adds creaminess (surprisingly good).
  • 🌯 Oklahoma fried onion burger — Thin patty smashed with shredded onions.

🍔 Famous Burger Chains & Their Burgers

  • 🟡 McDonald's — Big Mac (two all‑beef patties, special sauce, lettuce, cheese, pickles, onions, sesame seed bun).
  • 👑 Burger King — Whopper (flame‑broiled patty, tomatoes, lettuce, mayo, pickles, ketchup, onion on sesame bun).
  • 👧 Wendy's — Dave's Double/Single (square patties, fresh beef).
  • 🌿 In‑N‑Out — Double‑Double (animal style: mustard‑cooked patties, grilled onions, extra spread).
  • 🍟 Five Guys — Customizable, free toppings, peanuts while you wait.
  • 🍔 Shake Shack — ShackBurger (cheese, lettuce, tomato, ShackSauce).

🍔 How to Celebrate National Hamburger Day

  • 🔥 Fire up the grill — Make homemade burgers with your favorite toppings.
  • 🍔 Visit a local burger joint — Support independent restaurants.
  • 🧑‍🍳 Try a new burger style — Juicy Lucy, green chile, or breakfast burger.
  • 📸 Share your burger creation — Post with #NationalHamburgerDay #BurgerDay.
  • 🍟 Pair with fries and a shake — The classic combo.
  • 🏆 Host a burger cook‑off — Invite friends to compete for best burger.

🔥 Classic Grilled Hamburger Recipe

Ingredients (makes 4 burgers):

  • 🥩 1.5 lbs ground beef (80/20 blend)
  • 🧂 1 tsp salt, ½ tsp black pepper
  • 🍔 4 hamburger buns (sesame or brioche)
  • 🧀 4 slices cheese (optional, add last minute)
  • 🥬 Toppings: lettuce, tomato, onion, pickles
  • 🍅 Condiments: ketchup, mustard, mayo

Instructions: Preheat grill to medium‑high. Gently form beef into 4 patties (¾ inch thick, slight dimple in center to prevent bulging). Season both sides. Grill 3–4 minutes per side for medium‑rare (longer for well‑done). Add cheese in last minute. Toast buns on grill. Assemble burgers. Serve immediately.

🍔 Vegan & Vegetarian Alternatives

  • 🌱 Beyond Burger / Impossible Burger — Plant‑based patties that mimic beef.
  • 🫘 Black bean burger — Mashed black beans, breadcrumbs, spices.
  • 🍄 Portobello mushroom burger — Grilled portobello cap as patty.
  • 🌾 Chickpea burger — Mashed chickpeas with tahini or other binders.

🧠 Fun Burger Facts

  • 🍔 Biggest burger — Weighed over 3,500 lbs (Mallie's Sports Grill, Michigan).
  • 💰 Most expensive burger — $5,000 (FleurBurger, Las Vegas, with wagyu beef, foie gras, truffles).
  • 🍔 Burger record — Most burgers eaten in one hour: 18 (by competitive eater Joey Chestnut).
  • 🇺🇸 Second Monday in May — Another burger holiday: "National Hamburger Day" sometimes celebrated then.

🌍 Hamburgers Around the World

  • 🇯🇵 Japan — "Hambāgā" popular; also "hanbāgu" (a different salisbury‑steak‑like dish).
  • 🇦🇺 Australia — Burgers often include beetroot and fried egg ("Australian burger").
  • 🇲🇽 Mexico — "Hamburguesa" often includes ham, pineapple, jalapeños.
  • 🇹🇷 Turkey — "Köfte burger" uses spiced meatballs.

🧭 A Juicy Message

On this 28th May, celebrate the humble hamburger — simple, satisfying, and infinitely customizable. Whether you like it rare or well‑done, with cheese or without, topped with bacon or avocado, eaten with fries or onion rings — the burger is democracy on a bun. It's the food of backyard barbecues, late‑night cravings, and road trip pit stops. So fire up the grill. Melt the cheese. Toast the bun. And enjoy every messy, delicious bite.

🍔 Life is short. Eat the burger. 🍔

🌿 Read more 👉 CRA Arts Blog
🎨 Shutterstock: craarts
▶️ YouTube: CRA Arts Channel

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