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Time-Series Database: An Explainer
People create, capture, and consume more data than ever before. And a big portion of this data volume is timestamped, a.k.a. time-series data. So it’s not surprising that the time-series database (TSDB) category has seen a lot of growth in popularity in the past five years. In this post, we’ll introduce you to time-series databases and how they can work for you: Popular time-series databases FAQs What Is a Time-Series Database?
Bitcoin: Cotización en tiempo real en Argentina
Seguí minuto a minuto el precio y las cotizaciones de criptomonedas, Bitcoin, Ethereum, Litecoin y otras altcoin. Mantenete actualizado con análisis de expertos, tendencias de mercado y datos precisos.
Why is blockchain-of-choice Ethereum underperforming crypto rivals?
Ethereum, the open-sourced smart contract, has become the blockchain of choice for initial coin offerings, software developers and programmers. Yet in spite of the growing popularity, Ether, the coin on the Ethereum network, significantly underperformed its counterparts during the latter part of a first-quarter selloff across all cryptocurrencies. Of the top five cryptos, Ether was the best performer of the first quarter even as it lost 40.9%.
Tech shares pull down Asian markets
Asia stock markets began Tuesday on the back foot as a selloff of tech shares deepened in the U.S. and escalating trade tensions with China dampened investor confidence. Traders took cues from Wall Street after the Nasdaq Composite COMP, -2.74% fell 2.7% Monday, leading a 2.2% decline for the S&P 500 SPX, -2.23% and marking a damp start to the month after U.S. stocks logged the worst quarterly performance since mid-2015.
Asian markets dragged down after Gary Cohn’s resignation
Asia-Pacific stocks opened lower following news that Gary Cohn would resign as President Donald Trump’s top economic adviser after he lost a fight about tariffs. Stocks fell and the yen strengthened at the start of Asian trading as investors pared back risk. The Nikkei Stock Average NIK, -0.19% was recently down 0.8% and Australia’s S&P/ASX 200 XJO, -0.90% dropped 1%. S&P 500 futures ESH8, -0.96% were down 1.4%.
Behold the staggering volatility of cryptocurrencies
Every investor in bitcoin is well aware of the stomach-churning drops the digital currency or its rivals see on a regular basis, but few may fully appreciate just how big the swings are compared with other asset classes.
Third-straight win for U.S. stocks in doubt as Dow futures tumble more than 100 points
A recovery for U.S. equities showed signs of faltering on Tuesday, as stock futures stumbled in early trade, with Dow Jones Industrial Average futures dropping more than 100 points. What are main benchmarks doing? Dow futures YMH8, -0.57% slid 147 points, or 0.6%, to 24,437, while S&P 500 futures ESH8, -0.49% dropped 12.95 points, or 0.5%, to 2,642. Nasdaq-100 futures NQH8, -0.36% fell 30.50 points, or 0.5%, to 6,401.25.
Bitcoin plunge stops mammoth hedge-fund gains in their tracks
Investors in the cryptocurrency space didn’t have much to cheer about at the start of 2018, with the No. 1 digital currency, bitcoin, falling more than 25% in January, putting a dent in the returns of some hedge funds. According to data provided by HFR, hedge funds investing in the cryptocurrency space lost nearly 10% in January as prices continued to swing violently, seeing daily ranges of more than 15% on multiple occasions.
A trusted digital currency is coming, but it’s not bitcoin, says Starbucks’ Howard Schultz
It’s Trump speech day in the Swiss Alps, as stocks schuss toward their fourth weekly win in a row. A U.S. GDP reading is also grabbing the spotlight, plus the dollar is still getting left out in the cold by traders. Who needs all those Benjamins anyway? Soon you might not need dollars to pay for your morning coffee, suggests our call of the day, which comes from Starbucks’ SBUX, -0.46% Howard Schultz.
The big lesson stock traders can learn from the crypto meltdown
The markets are a pretty strange brew right now, with investors not even sure where to look first, with so many different assets swirling around. Is hesitation starting to build over this stock market’s gains? After a two-day run-up for stock futures, Wall Street only let everyone down by the end of Tuesday’s session, the first of the week. That may lead to some sideways glances at the bullish premarket action this morning.
Apple’s stock just broke out from a 2-month hibernation
Look alive out there this morning, because it’s looking like a big day for stocks. The Dow is poised to bust out to a new record near 26,000 as traders come back from the Martin Luther King Jr. holiday, seemingly eager to dive back into this rally.
Bitcoin tumbles to 6-week low as top cryptocurrencies all sell off
Bitcoin’s spot price was slumping on Tuesday, touching a six-week low under $12,000, as the biggest cryptocurrencies came under pressure. The bitcoin spot price BTCUSD, -17.16% BTCUSD, -17.16% recently was down 16% to $11,458, according to CoinDesk data. That is a level last seen in early December, and it’s far below a mid-December peak above $19,000. The top ten cryptocurrencies by market capitalization were all showing big drops, according to CoinMarketCap.com data.
Ripple’s market cap cut in half as the cryptocurrency keeps falling
Prices for bitcoin and Ripple coins dropped early Wednesday, while Ether coins continued their rally. Ripple’s ongoing selloff left that cryptocurrency’s market capitalization down by more than 50% from last week’s peak. The bitcoin spot price BTCUSD, -5.48% BTCUSD, -5.48% recently was off by 5% at $13,652, according to CoinDesk data. It remains above a one-month low, under the $13,000 mark, that was hit in late December.
A bloodbath for bonds? Here’s the tipping point to look out for
First Japan, and now China, is getting markets — notably the bond world — stirred up. Bonds are the topic du jour, especially after the Bank of Japan got everyone a bit worked up yesterday by trimming its government bond purchases. Then this morning, Bloomberg reported China is considering cutting back on its U.S. Treasury holdings. Timing is everything. That news has been tanking stock futures and setting up a tough morning for U.S. government paper.
This one stat shows why Amazon shares have a lot more room to run
By the very early looks of it, this year could be shaping up to be another winner for stocks, as many of 2017’s hot shots sprint out of the gate. Netflix NFLX, +0.98% , up 55% in 2017, has gained 10% just a few days into the new year, while Facebook FB, +0.77% is nearly 7% higher, after a 61% gain last year. It’s tough to fault investors who are gobbling up stocks as fast as they can and dumping those just-in-case-it-all-goes-pear-shaped hedging-strategies.
Ripple falls, making Ethereum the second-biggest cryptocurrency once again
Prices for bitcoin and Ethereum moved higher early Tuesday, while Ripple coins were down, with the moves helping to putting Ripple back at No. 3 among the cryptocurrencies. The bitcoin spot price BTCUSD, +0.62% BTCUSD, +0.62% was up 1.3% to $15,162, according to CoinDesk data, recovering somewhat from Monday’s drop of nearly 6%. It remains far below its recent all-time high above $19,000, which was hit last month.
Bitcoin pulls back further from $17,000
The price of a single bitcoin continued to back away from the $17,000 level it reached over the weekend, as previously highflying cryptocurrency Ripple coins lost further ground. On Monday, the bitcoin spot price BTCUSD, -1.47% BTCUSD, -1.47% was down around 2% at $15,856.55, having hit around $17,135 on Saturday, according to CoinDesk. Bitcoin futures for January BTCF8, -4.64% on the CME were changing hands at $15,875, a 4.5% drop from Friday’s settlement.
If there’s one more tax-reform boost left for the market, it’s for these stocks
Well past their usual bedtimes, the Republicans got their tax bill pushed through the Senate. Onto the House, then the desk of POTUS. So futures are ticking up nicely. There is yet more chatter about whether the tax overhaul is baked into stocks already. Our call of the day from LPL Research’s John Lynch says there are two slices of the market that could get a boost even now.
Here come CME bitcoin futures: What you need to know
After a week of slow but steady trading on Cboe Global Markets, a new player is set to enter the bitcoin futures market on Monday. CME Group Inc. CME, +0.43% the world’s largest futures exchange, is set to introduce its bitcoin contract, trading under the symbol “BTC.” Cboe January bitcoin futures XBTF8, +7.68% settled at $18,105 on Friday, a daily gain of 8% and a rise of around 21% from the contract’s opening trade at $15,000 on Sunday evening.
Bitcoin shorts face massive losses if Winklevoss’s call hits the mark
If you’re waiting for bitcoin to slowly fade from the spotlight, keep waiting. Now that the cryptocurrency has taken another step into the mainstream with the CBOE offering bitcoin futures trading, the buzz is only going to keep building. And, if one of bitcoin’s biggest — and wealthiest — backers has it right in our call of the day, building buzz means a building valuation.
If you love Amazon, then this high-flying stock could be a sure bet for 2018
Nothing gets investors more excited than taxes these days. Except maybe for bitcoin, currently stomping towards $11,000 as we speak. Back on the ground, Wall Street stocks look to be gearing up for records as optimism over a Republican tax plan grows. But as you revel in this bull market’s gains, spare a thought for the money managers who are playing catchup as the year ends. And then thank them.
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