玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)1.626.58-0.610.8120.910.9656.02-6.320.32112.16-17.56-9.8945.00-21.07-13.63123.18-11.28-3.92
24Q2 (19)1.52-4.4-20.830.67-11.846.3559.804.2726.4136.0513.71-6.0857.0113.86-5.16138.849.395.14
24Q1 (18)1.5910.42-18.040.761.3343.457.35-9.0322.46119.65-1.38-29.9650.0710.97-3.95126.92-8.85-23.33
23Q4 (17)1.44-11.66-8.280.752.7492.3163.0412.898.82121.33-2.52-48.3345.12-13.4-33.66139.258.61-38.04
23Q3 (16)1.63-15.127.340.7315.8746.055.8418.03-21.65124.47-14.07-31.0852.10-13.33-29.73128.21-2.91-27.86
23Q2 (15)1.92-1.0318.520.6318.87-28.4147.311.02-15.64144.85-15.2140.8160.1115.31-0.38132.05-20.2433.91
23Q1 (14)1.9423.5714.790.5335.9-53.146.83-19.16-12.96170.84-27.24112.2552.13-23.35-18.47165.55-26.33135.36
22Q4 (13)1.5722.6610.560.39-22.0-73.6557.93-18.72-9.75234.8130.02282.9368.01-8.274.34224.7326.45272.5
22Q3 (12)1.28-20.99-10.490.50-43.18-76.1971.2727.0911.88180.6075.56316.0374.1422.8733.06177.7280.23245.83
22Q2 (11)1.62-4.1416.550.88-22.12-55.156.084.24-14.43102.8727.8121.4260.34-5.634.1198.6140.1982.48
22Q1 (10)1.6919.0111.921.13-23.65-38.2553.80-16.19-10.9780.4931.2661.8263.94-1.924.1670.3416.5919.89
21Q4 (9)1.42-0.7-4.051.48-29.524.9664.190.774.6661.3241.26-4.9965.1816.9818.8360.3317.4-15.05
21Q3 (8)1.432.88-7.142.107.1470.7363.70-2.817.7843.41-6.56-41.555.72-3.8612.1851.39-4.9-38.56
21Q2 (7)1.39-7.954.511.967.1125.2965.548.46-3.9446.46-6.59-55.7657.9612.542.2454.04-7.89-53.63
21Q1 (6)1.512.0316.151.8329.79150.6860.43-1.47-13.8949.74-22.93-60.2151.50-6.11-21.9158.67-17.39-54.6
20Q4 (5)1.48-3.98.821.4114.6395.8361.333.77-8.3564.54-13.03-49.0154.8510.43-12.9571.02-15.09-45.57
20Q3 (4)1.5415.790.01.2341.380.059.10-13.380.074.21-29.330.049.67-12.380.083.64-28.240.0
20Q2 (3)1.332.310.00.8719.180.068.23-2.780.0105.01-15.990.056.69-14.040.0116.55-9.810.0
20Q1 (2)1.30-4.410.00.731.390.070.184.870.0125.00-1.250.065.954.670.0129.23-0.970.0
19Q4 (1)1.360.00.00.720.00.066.920.00.0126.580.00.063.010.00.0130.490.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)7.222.562.57-10.7650.53-2.49141.9811.9642.04-30.01150.4726.91
2022 (9)7.0415.412.88-46.9651.82-13.37126.8188.5460.07-1.61118.5679.58
2021 (8)6.103.925.4329.2959.82-3.8767.26-22.5961.059.8266.02-29.41
2020 (7)5.8729.014.2029.2362.23-22.4386.89-22.5455.59-24.4593.53-21.29
2019 (6)4.55-14.153.25-41.0280.2216.5112.1869.4373.5814.43118.8367.91
2018 (5)5.30-1.855.51-15.3668.861.9166.2118.1764.30-5.4370.7727.26
2017 (4)5.40-13.186.512.3667.5715.1356.03-2.467.99-4.6855.6124.21
2016 (3)6.22-9.866.3633.3358.6910.9257.41-24.9471.332.3844.77-25.05
2015 (2)6.904.554.7714.6652.91-4.376.49-12.8769.6716.4759.73-28.27
2014 (1)6.606.974.1618.1855.29-6.687.79-15.3859.823.1783.27-20.67

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