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)0.80-8.0512.681.2714.4114.41114.059.3-11.6271.86-12.29-12.3922.04-14.07-39.75163.872.02-6.08
24Q2 (19)0.8726.093.571.1135.371.83104.35-21.17-3.2881.93-25.9-1.4925.65-15.79-10.41160.62-24.41-1.11
24Q1 (18)0.6943.75-5.480.8220.596.49132.37-30.516.86110.57-17.57-6.8330.46-37.94-4.06212.48-22.890.8
23Q4 (17)0.48-32.39-11.110.68-38.7411.48190.4847.6113.13134.1463.55-9.7249.0834.1749.82275.5457.92-3.05
23Q3 (16)0.71-15.4851.061.111.8385.0129.0419.6-33.9282.02-1.38-46.1636.5827.7710.95174.487.42-44.55
23Q2 (15)0.8415.0716.671.0941.5619.78107.89-12.9-14.4183.17-29.92-16.5228.63-9.839.36162.43-22.95-18.58
23Q1 (14)0.7335.1923.730.7726.23-6.1123.87-26.43-20.24118.68-20.136.8131.75-3.08-7.25210.80-25.83-9.22
22Q4 (13)0.5414.89-5.260.611.67-32.97168.37-13.784.87148.59-2.4749.2232.76-0.64-6.48284.21-9.6726.26
22Q3 (12)0.47-34.72-36.490.60-34.07-56.2195.2854.9259.27152.3552.92130.1732.9725.9434.79314.6557.7291.46
22Q2 (11)0.7222.03-4.00.9110.98-36.81126.05-18.844.4299.63-10.3357.2226.18-23.52-1.87199.50-14.0826.75
22Q1 (10)0.593.51-24.360.82-9.89-37.4155.31-3.2633.73111.1111.5859.7134.23-2.288.87232.203.1550.52
21Q4 (9)0.57-22.97-28.750.91-33.58-27.2160.5530.9440.7899.5850.4536.8235.0343.215.32225.1036.9746.58
21Q3 (8)0.74-1.334.231.37-4.8622.32122.611.57-4.0666.194.45-18.2524.46-8.32-31.81164.344.41-4.95
21Q2 (7)0.75-3.85-11.761.449.9225.22120.723.9413.1663.37-8.91-20.1926.68-15.14-14.21157.402.031.56
21Q1 (6)0.78-2.5-13.331.314.837.89116.141.8415.1569.57-4.41-27.2131.44-5.470.51154.270.46-6.59
20Q4 (5)0.8012.68-11.111.2511.6152.44114.04-10.7712.972.78-10.11-34.3633.26-7.2834.76153.57-11.18-17.97
20Q3 (4)0.71-16.470.01.12-2.610.0127.8019.80.080.971.980.035.8715.340.0172.9011.560.0
20Q2 (3)0.85-5.560.01.1521.050.0106.685.770.079.40-16.920.031.10-0.580.0154.98-6.160.0
20Q1 (2)0.900.00.00.9515.850.0100.86-0.150.095.57-13.810.031.2826.740.0165.15-11.790.0
19Q4 (1)0.900.00.00.820.00.0101.010.00.0110.880.00.024.680.00.0187.220.00.0
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)3.1636.213.4419.03115.64-26.64105.96-16.2230.34-26.77191.26-21.19
2022 (9)2.32-31.162.89-43.66157.6345.35126.4777.6341.4345.11242.6760.6
2021 (8)3.37-1.175.1318.2108.451.4671.20-15.2928.55-11.23151.10-4.84
2020 (7)3.4140.334.3464.39106.89-28.8884.05-39.1332.16-22.91158.78-35.62
2019 (6)2.43-15.922.64-34.33150.2919.16138.0751.9641.7218.42246.6435.7
2018 (5)2.897.434.02-3.6126.12-7.2290.863.7635.230.14181.75-3.49
2017 (4)2.69-8.814.17-2.34135.949.6987.572.4835.1836.3188.332.59
2016 (3)2.9510.074.271.91123.93-9.0785.45-1.9825.812.22183.57-7.39
2015 (2)2.68-17.544.19-5.42136.2921.4587.185.7825.256.45198.2215.98
2014 (1)3.25-4.694.4313.3112.224.7682.42-11.6223.72-20.35170.910.18

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